| Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung |
| centos:mail_c7:spam_7 [20.11.2014 20:54. ] – [Test] django | centos:mail_c7:spam_7 [15.07.2020 11:07. ] (aktuell) – [freschcalm Update] django |
|---|
| |
| |
| ==== freschcalm Update ==== | ==== freshclam Update ==== |
| # vim /etc/cron.d/clamav-update | # vim /etc/cron.d/clamav-update |
| <code>## Adjust this line... | <code>## Adjust this line... |
| </code> | </code> |
| |
| Beim **systemd-tmpfiles** werden für temporäre Dateien und Verzeichnisse unter anderem im Verzeichnis //**/var/run/**// angelegt. Damit für unseren Service der UNix-Dateisocket im richtigen Verzeichnis mit den zugehörigen Berechtigungen gesetzt werden kann, benötigen wir im Verzeichnis //**/etc/tmpfiles.d/**// eine zugehörige Konfigurationsdatei. Diese legen wir nun an. | Bei **[[http://www.freedesktop.org/software/systemd/man/tmpfiles.d.html|systemd-tmpfiles]]** werden für temporäre Dateien und Verzeichnisse unter anderem im Verzeichnis //**/var/run/**// angelegt. Damit für unseren Service der UNix-Dateisocket im richtigen Verzeichnis mit den zugehörigen Berechtigungen gesetzt werden kann, benötigen wir im Verzeichnis //**/etc/tmpfiles.d/**// eine zugehörige Konfigurationsdatei. Diese legen wir nun an. |
| # vim /etc/tmpfiles.d/clamd.amavisd.conf | # vim /etc/tmpfiles.d/clamd.amavisd.conf |
| |
| <file bash/etc/tmpfiles.d/clamd.amavisd.conf ># Django : 2014-11-15 Socketverzeichnis im tmpfile based System | <file bash/etc/tmpfiles.d/clamd.amavisd.conf ># Django : 2014-11-15 Socketverzeichnis im tmpfile based System anlegen |
| d /var/run/clamd.amavisd 0710 amavis amavis - | d /var/run/clamd.amavisd 0710 amavis amavis - |
| </file> | </file> |
| |
| Bevor wir unseren ClamAV-Daemon starten können müssen wir noch kurz die zugehörige systemd-Konfigurationsdatei //**/usr/lib/systemd/system/clamd@.service**// | Bevor wir unseren ClamAV-Daemon starten können müssen wir noch kurz die zugehörige systemd-Konfigurationsdatei //**/usr/lib/systemd/system/clamd@.service**// anpassen. |
| # vim /usr/lib/systemd/system/clamd@.service | <WRAP center round alert 60%> |
| |
| <file bash /usr/lib/systemd/system/clamd@.service>[Unit] | **ACHTUNG** \\ |
| | Keinenfalls die Datei direkt im Verzeichnis **// /usr/lib/systemd/system/ //** bearbeiten! Bei einem Update des zugehörigen Paketes wpürden die Änderungen wieder überschrieben! |
| | </WRAP> |
| | |
| | Wir kopieren also das **systemc-startscript** nach //**/etc/systemd/system/**// und bearbeiten dort eine lokale Kopie vom Original. Dadurch sind wir dann auch update-fest! |
| | |
| | # cp /usr/lib/systemd/system/clamd@.service /etc/systemd/system/ |
| | |
| | # vim /etc/systemd/system/clamd@.service |
| | |
| | <file bash /etc/systemd/system/clamd@.service>[Unit] |
| Description = clamd scanner (%i) daemon | Description = clamd scanner (%i) daemon |
| After = syslog.target nss-lookup.target network.target | After = syslog.target nss-lookup.target network.target |
| Anschließend führen wir einen Reload des **systemctl**-Daemon aus. | Anschließend führen wir einen Reload des **systemctl**-Daemon aus. |
| # systemctl daemon-reload | # systemctl daemon-reload |
| | |
| | ==== amavisd ==== |
| | Die **ClamAV** spezifischen Konfigurationsoptionen befinden sich in mehreren Sectionen. So finden sich die Angaben zu den Packprogrammen in der Section **PFADANGABEN DER LOKALEN INSTALLATION** |
| | |
| | <code perl>... |
| | |
| | # Utilities mit denen amavis Archive auspackt |
| | @decoders = ( |
| | ['mail', \&do_mime_decode], |
| | ['F', \&do_uncompress, ['unfreeze', 'freeze -d', 'melt', 'fcat'] ], |
| | ['Z', \&do_uncompress, ['uncompress', 'gzip -d', 'zcat'] ], |
| | ['gz', \&do_uncompress, 'gzip -d'], |
| | ['gz', \&do_gunzip], |
| | ['bz2', \&do_uncompress, 'bzip2 -d'], |
| | ['xz', \&do_uncompress, ['xzdec', 'xz -dc', 'unxz -c', 'xzcat'] ], |
| | ['lzma', \&do_uncompress, ['lzmadec', 'xz -dc --format=lzma', |
| | 'lzma -dc', 'unlzma -c', 'lzcat', 'lzmadec'] ], |
| | ['lrz', \&do_uncompress, ['lrzip -q -k -d -o -', 'lrzcat -q -k'] ], |
| | ['lzo', \&do_uncompress, 'lzop -d'], |
| | ['rpm', \&do_uncompress, ['rpm2cpio.pl', 'rpm2cpio'] ], |
| | [['cpio','tar'], \&do_pax_cpio, ['pax', 'gcpio', 'cpio'] ], |
| | ['deb', \&do_ar, 'ar'], |
| | ['rar', \&do_unrar, ['unrar', 'rar'] ], |
| | ['arj', \&do_unarj, ['unarj', 'arj'] ], |
| | ['arc', \&do_arc, ['nomarch', 'arc'] ], |
| | ['zoo', \&do_zoo, ['zoo', 'unzoo'] ], |
| | ['cab', \&do_cabextract, 'cabextract'], |
| | ['tnef', \&do_tnef], |
| | [['zip','kmz'], \&do_7zip, ['7za', '7z'] ], |
| | [['zip','kmz'], \&do_unzip], |
| | ['7z', \&do_7zip, ['7zr', '7za', '7z'] ], |
| | [[qw(7z zip gz bz2 Z tar)], \&do_7zip, ['7za', '7z'] ], |
| | [[qw(xz lzma jar cpio arj rar swf lha iso cab deb rpm)], \&do_7zip, '7z' ], |
| | ['exe', \&do_executable, ['unrar','rar'], 'lha', ['unarj','arj'] ], |
| | ); |
| | |
| | # eMails wird komplett dem Virenscanner zugestellt. Dem Inhalt von Archiven |
| | # wird grundsätzlich nicht vertraut. |
| | @keep_decoded_original_maps = (new_RE( |
| | qr'^MAIL$', |
| | qr'^MAIL-UNDECIPHERABLE$', |
| | qr'^(ASCII(?! cpio)|text|uuencoded|xxencoded|binhex)', |
| | )); |
| | |
| | ... |
| | </code> |
| | |
| | In der Section **VIRUS POLICY** finden sich die Definitionen zum Virenscanner **ClamAV**. |
| | <code perl>################################################################################ |
| | ## VIRUS POLICY |
| | # |
| | |
| | # Check aktivieren? |
| | # @bypass_virus_checks_maps = (1); |
| | |
| | # In Quarantäne? |
| | $virus_quarantine_to = undef; |
| | |
| | # Admin benachrichtigen? |
| | $virus_admin = undef; |
| | |
| | # Empfänger benachrichtigen? |
| | $warnvirusrecip = 1; |
| | |
| | # Recipient-Adresse bei Release erweitern? |
| | @addr_extension_virus_maps = ('virus'); |
| | |
| | # eMail bei Release wrappen? |
| | $defang_virus = 1; |
| | |
| | # Wollen wir Content transportieren? |
| | $final_virus_destiny = D_REJECT; |
| | |
| | @av_scanners = ( |
| | ### http://www.clamav.net/ |
| | ['ClamAV-clamd', |
| | \&ask_daemon, ["CONTSCAN {}\n", "/var/run/clamd.amavisd/clamd.sock"], |
| | qr/\bOK$/m, qr/\bFOUND$/m, |
| | qr/^.*?: (?!Infected Archive)(.*) FOUND$/m ], |
| | ); |
| | |
| | @av_scanners_backup = (); |
| | </code> |
| | |
| |
| ===== Programmstart ===== | ===== Programmstart ===== |
| |
| ===== Test ===== | ===== Test ===== |
| Haben wir die Konfiguration unseres **[centos:mail_c7:spam_6|AMaViS]** fertiggestellt, können wir uns auch daransetzen unsere **[[centos:mail_c7:spam_6?&#programmstart|ClamAV]]**-Installation zu überprüfen. | Haben wir die Konfiguration unseres **[[centos:mail_c7:spam_6|AMaViS]]** fertiggestellt, können wir uns auch daransetzen unsere **[[centos:mail_c7:spam_6?&#programmstart|ClamAV]]**-Installation zu überprüfen. |
| |
| | ===== HAM ===== |
| | Als erstes wollen wir ein beliebiges ZIP-Archiv per eMail verschicken. In diesem Beispiel nehmen wir einfach ein Lied/ZIP-Archiv der [[http://ebersberger-liedersammlung.de|Ebersberger Liedersammlung]]. Dieses laden wir erst einmal auf unseren Rechner. |
| | # curl -O http://ebersberger-liedersammlung.de/lib/exe/fetch.php/lieder/in_dulci_jubilo.zip |
| |
| | <code> % Total % Received % Xferd Average Speed Time Time Time Current |
| | Dload Upload Total Spent Left Speed |
| | 100 717k 100 717k 0 0 2007k 0 --:--:-- --:--:-- --:--:-- 2004k |
| | </code> |
| | |
| | Anschließend generieren wir mit Hilfe von **[[http://www.jetmore.org/john/code/swaks/|swaks]]** eine eMail und packen dazu das ZIP-File in den Anhang. |
| | # swaks --to django@nausch.org --from michael@nausch.org --attach - --server 10.0.0.87 --suppress-data </root/in_dulci_jubilo.zip --header "Subject: Ebersberger Liedersammlung: In dulci jubilo" |
| | |
| | <code>=== Trying 10.0.0.87:25... |
| | === Connected to 10.0.0.87. |
| | <- 220 mx01.nausch.org ESMTP Postfix |
| | -> EHLO vml000087.dmz.nausch.org |
| | <- 250-mx01.nausch.org |
| | <- 250-PIPELINING |
| | <- 250-SIZE 52428800 |
| | <- 250-ETRN |
| | <- 250-STARTTLS |
| | <- 250-ENHANCEDSTATUSCODES |
| | <- 250-8BITMIME |
| | <- 250 DSN |
| | -> MAIL FROM:<michael@nausch.org> |
| | <- 250 2.1.0 Ok |
| | -> RCPT TO:<django@nausch.org> |
| | <- 250 2.1.5 Ok |
| | -> DATA |
| | <- 354 End data with <CR><LF>.<CR><LF> |
| | -> 12914 lines sent |
| | <- 250 2.0.0 Ok: queued as 20560C00088 |
| | -> QUIT |
| | <- 221 2.0.0 Bye |
| | === Connection closed with remote host. |
| | </code> |
| | |
| | Im Maillog des **MTA**((**M**ail **T**ransport **A**gent)) finden wir die einträge der erfolgreichen Zustellung. |
| | # less /var/log/maillog |
| | |
| | <code>Nov 20 22:37:43 vml000087 postfix/smtpd[12103]: connect from vml000087.dmz.nausch.org[10.0.0.87] |
| | Nov 20 22:37:43 vml000087 postfix/smtpd[12103]: 20560C00088: client=vml000087.dmz.nausch.org[10.0.0.87] |
| | Nov 20 22:37:43 vml000087 postfix/cleanup[12108]: 20560C00088: message-id=<20141120213743.20560C00088@mx01.nausch.org> |
| | Nov 20 22:37:44 vml000087 postfix/qmgr[8701]: 20560C00088: from=<michael@nausch.org>, size=1006405, nrcpt=1 (queue active) |
| | Nov 20 22:37:44 vml000087 postfix/smtpd[12103]: disconnect from vml000087.dmz.nausch.org[10.0.0.87] |
| | Nov 20 22:37:44 vml000087 postfix/lmtp[12109]: 20560C00088: to=<django@nausch.org>, relay=10.0.0.77[10.0.0.77]:24, delay=1.4, delays=0.93/0.02/0.05/0.37, dsn=2.0.0, status=sent (250 2.0.0 <django@nausch.org> KmGbByhfblQOXQAArK2B9Q Saved) |
| | Nov 20 22:37:44 vml000087 postfix/qmgr[8701]: 20560C00088: removed |
| | </code> |
| | |
| | Auf Seiten unseres **AS/AV**((**A**nti**S**pam und **A**nti**V**irus))-Hosts wird die Prüfung im Maillog dokumentiert. |
| | # less /var/log/maillog |
| | |
| | <code>Nov 20 22:37:43 vml000067 amavis[3310]: loaded policy bank "AM.PDP-SOCK" |
| | Nov 20 22:37:43 vml000067 amavis[3310]: process_request: fileno sock=13, STDIN=0, STDOUT=1 |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: request=AM.PDP |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: queue_id=20560C00088 |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: sender=<michael@nausch.org> |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: recipient=<django@nausch.org> |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: tempdir=/var/spool/amavisd/afXXXXtVLyxI |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: tempdir_removed_by=client |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: mail_file=/var/spool/amavisd/afXXXXtVLyxI/email.txt |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: delivery_care_of=client |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: client_address=10.0.0.87 |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: client_name=vml000087.dmz.nausch.org |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: helo_name=vml000087.dmz.nausch.org |
| | Nov 20 22:37:43 vml000067 amavis[3310]: policy protocol: policy_bank=mx01.nausch.org |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) Request: AM.PDP /var/spool/amavisd/afXXXXtVLyxI: <michael@nausch.org> -> <django@nausch.org> |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) loaded policy bank "MYNETS" over "AM.PDP-SOCK" |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) body hash: 5bf56bd1955c4a16ec95bddecda96bb7 |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) ip_trace: 10.0.0.87 |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) Checking: tlAv90BU3Ydw AM.PDP-SOCK/MYNETS [10.0.0.87] <michael@nausch.org> -> <django@nausch.org> |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) 2822.From: <michael@nausch.org> |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) p003 1 Content-Type: multipart/mixed |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) p001 1/1 Content-Type: text/plain, size: 22 B, name: |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) p002 1/2 Content-Type: application/octet-stream, size: 734822 B, name: |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) inspect_dsn: not a bounce |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) Checking for banned types and filenames |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) skipping banned check: all recipients bypass banned checks |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) presenting full original message to scanners as /var/spool/amavisd/afXXXXtVLyxI/parts/p008 |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) run_av Using (ClamAV-clamd): (code) CONTSCAN /var/spool/amavisd/afXXXXtVLyxI/parts\n |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) ClamAV-clamd: Connecting to socket /var/run/clamd.amavisd/clamd.sock |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) new socket by IO::Socket::UNIX to /var/run/clamd.amavisd/clamd.sock, timeout 10 |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) ClamAV-clamd: Sending CONTSCAN /var/spool/amavisd/afXXXXtVLyxI/parts\n to socket /var/run/clamd.amavisd/clamd.sock |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) rw_loop read: got eof |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) run_av (ClamAV-clamd): CLEAN |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) run_av (ClamAV-clamd) result: clean |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) truncating a message passed to SA at 410151 bytes, orig 1006367 |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) calling SA parse (0), SA vers 3.3.2, 3.003002, data as GLOB, recips_ind [0], user: "amavis" |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) spam_scan: score=-1.01 autolearn=ham tests=[ALL_TRUSTED=-1,T_RP_MATCHES_RCVD=-0.01] recips=0 |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) do_notify_and_quar: ccat=CleanTag (1,1) ("1,1":CleanTag, "1":Clean, "0":CatchAll) ccat_block=(), qar_mth= |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) delivery method is 1, recips: django@nausch.org |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) spam-tag, <michael@nausch.org> -> <django@nausch.org>, No, score=-1.01 tagged_above=-1000 required=6.31 tests=[ALL_TRUSTED=-1, T_RP_MATCHES_RCVD=-0.01] autolearn=ham |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) dkim: candidate originators: From:<michael@nausch.org> |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) dkim: not signing, empty signing domain, From: <michael@nausch.org> |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) DSN: sender is credible (orig), SA: -1.010, <michael@nausch.org> |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) status counters: InMsgsStatus{Accepted,AcceptedInternal,AcceptedOriginating} |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) Passed CLEAN {AcceptedInternal}, AM.PDP-SOCK/MYNETS LOCAL [10.0.0.87] <michael@nausch.org> -> <django@nausch.org>, Queue-ID: 20560C00088, Message-ID: <20141120213743.20560C00088@mx01.nausch.org>, mail_id: tlAv90BU3Ydw, Hits: -1.01, size: 1006367, 772 ms |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) TIMING-SA total 477 ms - parse: 19 (4.1%), extract_message_metadata: 24 (5.1%), get_uri_detail_list: 0.44 (0.1%), tests_pri_-1000: 6 (1.2%), tests_pri_-950: 1.60 (0.3%), tests_pri_-900: 1.17 (0.2%), tests_pri_-400: 0.95 (0.2%), tests_pri_0: 353 (74.0%), check_dkim_adsp: 16 (3.4%), check_spf: 0.37 (0.1%), check_razor2: 260 (54.5%), check_pyzor: 0.24 (0.1%), tests_pri_500: 3 (0.7%), learn: 53 (11.0%), get_report: 0.92 (0.2%) |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) mail checking ended: version_server=2\nlog_id=03310-01\nsetreply=250 2.5.0 Ok,%20id=03310-01,%20continue%20delivery\ninsheader=0 X-Spam-Status No,%20score=-1.01%20tagged_above=-1000%20required=6.31%0a%09tests=[ALL_TRUSTED=-1,%20T_RP_MATCHES_RCVD=-0.01]%20autolearn=ham\ninsheader=0 X-Spam-Level \ninsheader=0 X-Spam-Score -1.01\ninsheader=0 X-Spam-Flag NO\nreturn_value=continue\nexit_code=0 |
| | Nov 20 22:37:43 vml000067 amavis[3310]: (03310-01) size: 1006367, TIMING [total 778 ms] - got data: 0.0 (0%)0, check_init: 3.4 (0%)0, digest_hdr: 1.4 (0%)1, digest_body_dkim: 9 (1%)2, collect_info: 1.7 (0%)2, mkdir parts: 1.4 (0%)2, mime_decode: 47 (6%)8, get-file-type2: 17 (2%)10, ren4-unl0-files4: 46 (6%)16, decompose_part: 0.4 (0%)16, get-file-type4: 28 (4%)20, parts_decode: 0.3 (0%)20, check_header: 0.4 (0%)20, AV-scan-1: 124 (16%)36, spam-wb-list: 0.5 (0%)36, SA parse: 22 (3%)39, SA check: 451 (58%)97, decide_mail_destiny: 8 (1%)98, notif-quar: 0.5 (0%)98, prepare-dsn: 4.0 (1%)98, report: 1.4 (0%)99, main_log_entry: 5 (1%)99, update_snmp: 1.5 (0%)99, rundown: 4.0 (1%)100 |
| | Nov 20 22:37:44 vml000067 amavis[3310]: (03310-01) extra modules loaded: unicore/lib/Gc/Nd.pl |
| | Nov 20 22:37:44 vml000067 amavis[3310]: (03310-01) load: 100 %, total idle 0.000 s, busy 0.804 s |
| | </code> |
| | |
| | In der Inbox unseres **MUA**((**M**ail **U**ser **A**gent))s POP3/IMAP-Servers finden wir auch die zugestellte Nachricht. |
| | |
| | <code>Return-Path: <michael@nausch.org> |
| | Delivered-To: django@nausch.org |
| | Received: from mx01.nausch.org ([10.0.0.87]) |
| | by imap.nausch.org (Dovecot) with LMTP id KmGbByhfblQOXQAArK2B9Q |
| | for <django@nausch.org>; Thu, 20 Nov 2014 22:37:44 +0100 |
| | X-Spam-Flag: NO |
| | X-Spam-Score: -1.01 |
| | X-Spam-Level: |
| | X-Spam-Status: No, score=-1.01 tagged_above=-1000 required=6.31 |
| | tests=[ALL_TRUSTED=-1, T_RP_MATCHES_RCVD=-0.01] autolearn=ham |
| | Received: from vml000087.dmz.nausch.org (vml000087.dmz.nausch.org [10.0.0.87]) |
| | by mx01.nausch.org (Postfix) with ESMTP id 20560C00088 |
| | for <django@nausch.org>; Thu, 20 Nov 2014 22:37:43 +0100 (CET) |
| | Date: Thu, 20 Nov 2014 22:37:43 +0100 |
| | To: django@nausch.org |
| | From: michael@nausch.org |
| | Subject: Ebersberger Liedersammlung: In dulci jubilo |
| | X-Mailer: swaks v20130209.0 jetmore.org/john/code/swaks/ |
| | MIME-Version: 1.0 |
| | Content-Type: multipart/mixed; boundary="----=_MIME_BOUNDARY_000_12110" |
| | Message-Id: <20141120213743.20560C00088@mx01.nausch.org> |
| | |
| | ------=_MIME_BOUNDARY_000_12110 |
| | Content-Type: text/plain |
| | |
| | This is a test mailing |
| | ------=_MIME_BOUNDARY_000_12110 |
| | Content-Type: application/octet-stream |
| | Content-Disposition: attachment |
| | Content-Transfer-Encoding: BASE64 |
| | |
| | UEsDBBQDAAAIAFNyDUN6/Zsb2QYAAKUSAAASAAAAaW5fZHVsY2lfanViaWxvLmx5rVdZDtMwEP0m |
| | pxiCECBB2coq9lXsiFVClZCTTBKDYwfbYQdxB36R+OEMfPHXm3ASnh1CCoWwiEpNE2f8Znsz426m |
| | M5IdO7pqPOtMCe/pSWcLJrbOs1KeHhtNV2ReC1Z0VXQur5PNdMloLx76w9T0b07o+GZmbEVbr5+/ |
| | Tm2XKZnveMjPaNfTPXsPzk8fnB/aRkmyeAxkCcx0z2z3/tmuNFnULAq29CIh8tIrpqOUXtBUdCqX |
| | 9KDLpDIprX+i7bR8l7GFaitLT4DpPaEn0hb0nLW3kq2nCk76535G0OG67JsaSjds2DDAPWHp2fK4 |
| | ... |
| | |
| | ... |
| | G9kGAAClEgAAEgAAAAAAAAAAACCAtIEAAAAAaW5fZHVsY2lfanViaWxvLmx5UEsBAj8DFAMAAAgA |
| | U3INQ1XNopkpAgAA7QcAABQAAAAAAAAAAAAggLSBCQcAAGluX2R1bGNpX2p1Ymlsby5taWRpUEsB |
| | Aj8DFAMAAAgAU3INQzZ3dvYIwgkAgAAKABMAAAAAAAAAAAAggLSBZAkAAGluX2R1bGNpX2p1Ymls |
| | by5tcDNQSwECPwMUAwAACABTcg1DPURRdX5pAQAQDgIAEwAAAAAAAAAAACCAtIGdywkAaW5fZHVs |
| | Y2lfanViaWxvLnBkZlBLBQYAAAAABAAEAAQBAABMNQsAAAA= |
| | |
| | ------=_MIME_BOUNDARY_000_12110-- |
| | |
| | </code> |
| | |
| | |
| | ===== Virus-Mail ===== |
| | Beim nächsten Test versuchen wir eine eMail mit einem Virus im Anhang an einen Benutzer zu schicken. Hierzu greifen wir auf ein Testsignatur-Datei der **[[http://www.eicar.com|EUROPEAN EXPERT GROUP FOR IT-SECURITY]]** zurück. |
| | Als erstes laden wir uns eine Testsignaturdatei auf unseren Rechner. |
| | # curl -O http://www.eicar.org/download/eicarcom2.zip |
| | <code> % Total % Received % Xferd Average Speed Time Time Time Current |
| | Dload Upload Total Spent Left Speed |
| | 100 308 100 308 0 0 1299 0 --:--:-- --:--:-- --:--:-- 1305 |
| | </code> |
| | Wie auch schon bei unserem vorherigen Test nutzen wir auch hier **swaks** zum verschicken einer eMail mit der eicar-Testdatei im Anhang. |
| | # swaks --to django@nausch.org --from michael@nausch.org --attach - --server 10.0.0.87 --suppress-data </root/eicarcom2.zip --header "Subject: Eicar Virentestpattern" |
| | |
| | <code>=== Trying 10.0.0.87:25... |
| | === Connected to 10.0.0.87. |
| | <- 220 mx01.nausch.org ESMTP Postfix |
| | -> EHLO vml000087.dmz.nausch.org |
| | <- 250-mx01.nausch.org |
| | <- 250-PIPELINING |
| | <- 250-SIZE 52428800 |
| | <- 250-ETRN |
| | <- 250-STARTTLS |
| | <- 250-ENHANCEDSTATUSCODES |
| | <- 250-8BITMIME |
| | <- 250 DSN |
| | -> MAIL FROM:<michael@nausch.org> |
| | <- 250 2.1.0 Ok |
| | -> RCPT TO:<django@nausch.org> |
| | <- 250 2.1.5 Ok |
| | -> DATA |
| | <- 354 End data with <CR><LF>.<CR><LF> |
| | -> 28 lines sent |
| | <** 554 5.7.0 Reject, id=03311-01 - INFECTED: Eicar-Test-Signature. Contact your postmaster/admin for technical assistance. He can achieve our postmaster via email: postmaster@nausch.org or via fax: +49 8121 883179. In any case, please provide the following information in your problem report: This error message, time (Nov 20 22:43:10), client (10.0.0.87) and server (mx01.nausch.org). |
| | -> QUIT |
| | <- 221 2.0.0 Bye |
| | === Connection closed with remote host. |
| | </code> |
| | Wie wir sehen, wurde die Annahme der eMail vom Mailserver abgelehnt. Der einliefernde Client bekommt auch sofort mit der Fehlermeldung **554 5.7.0 Reject, id=03311-01 - INFECTED: Eicar-Test-Signature.** einen Hinweis, warum die Nachricht nicht angenommen wurde. |
| | |
| | Im Maillog des **MTA**((**M**ail **T**ransport **A**gent)) finden wir die Einträge des Zustellungsversuch. |
| | # less /var/log/maillog |
| | |
| | <code>Nov 20 22:43:10 vml000087 postfix/smtpd[12126]: connect from vml000067.dmz.nausch.org[10.0.0.67] |
| | Nov 20 22:43:10 vml000087 postfix/smtpd[12126]: 44A0AC00089: client=vml000067.dmz.nausch.org[10.0.0.67] |
| | Nov 20 22:43:10 vml000087 postfix/cleanup[12127]: 44A0AC00089: message-id=<VRAnQpYwBJBkmi@viruswall.dmz.nausch.org> |
| | Nov 20 22:43:10 vml000087 postfix/qmgr[8701]: 44A0AC00089: from=<postmaster@nausch.org>, size=1211, nrcpt=1 (queue active) |
| | Nov 20 22:43:10 vml000087 postfix/cleanup[12125]: CCB54C00088: milter-reject: END-OF-MESSAGE from vml000087.dmz.nausch.org[10.0.0.87]: 5.7.0 Reject, id=03311-01 - INFECTED: Eicar-Test-Signature; from=<michael@nausch.org> to=<django@nausch.org> proto=ESMTP helo=<vml000087.dmz.nausch.org> |
| | Nov 20 22:43:10 vml000087 postfix/smtpd[12119]: disconnect from vml000087.dmz.nausch.org[10.0.0.87] |
| | Nov 20 22:43:10 vml000087 postfix/lmtp[12128]: 44A0AC00089: to=<django@nausch.org>, relay=10.0.0.77[10.0.0.77]:24, delay=0.62, delays=0.05/0.19/0/0.37, dsn=2.0.0, status=sent (250 2.0.0 <django@nausch.org> YmGbByhfblQOXQAArK2B9Q Saved) |
| | Nov 20 22:43:10 vml000087 postfix/qmgr[8701]: 44A0AC00089: removed |
| | </code> |
| | |
| | Details zum Scannvorgang und -ergebnis können wir mit der id **03311-01** im Maillog des **AS/AV**((**A**nti**S**pam und **A**nti**V**irus))-Host herausfinden. |
| | # less /var/log/maillog |
| | |
| | <code>Nov 20 22:43:09 vml000067 amavis[3311]: loaded policy bank "AM.PDP-SOCK" |
| | Nov 20 22:43:09 vml000067 amavis[3311]: process_request: fileno sock=13, STDIN=0, STDOUT=1 |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: request=AM.PDP |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: queue_id=CCB54C00088 |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: sender=<michael@nausch.org> |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: recipient=<django@nausch.org> |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: tempdir=/var/spool/amavisd/afXXXXqKQgyd |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: tempdir_removed_by=client |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: mail_file=/var/spool/amavisd/afXXXXqKQgyd/email.txt |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: delivery_care_of=client |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: client_address=10.0.0.87 |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: client_name=vml000087.dmz.nausch.org |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: helo_name=vml000087.dmz.nausch.org |
| | Nov 20 22:43:09 vml000067 amavis[3311]: policy protocol: policy_bank=mx01.nausch.org |
| | Nov 20 22:43:09 vml000067 amavis[3311]: (03311-01) Request: AM.PDP /var/spool/amavisd/afXXXXqKQgyd: <michael@nausch.org> -> <django@nausch.org> |
| | Nov 20 22:43:09 vml000067 amavis[3311]: (03311-01) loaded policy bank "MYNETS" over "AM.PDP-SOCK" |
| | Nov 20 22:43:09 vml000067 amavis[3311]: (03311-01) body hash: 45e745bc84324a9251567c19e367fdfb |
| | Nov 20 22:43:09 vml000067 amavis[3311]: (03311-01) ip_trace: 10.0.0.87 |
| | Nov 20 22:43:09 vml000067 amavis[3311]: (03311-01) Checking: AnQpYwBJBkmi AM.PDP-SOCK/MYNETS [10.0.0.87] <michael@nausch.org> -> <django@nausch.org> |
| | Nov 20 22:43:09 vml000067 amavis[3311]: (03311-01) 2822.From: <michael@nausch.org> |
| | Nov 20 22:43:09 vml000067 amavis[3311]: (03311-01) p003 1 Content-Type: multipart/mixed |
| | Nov 20 22:43:09 vml000067 amavis[3311]: (03311-01) p001 1/1 Content-Type: text/plain, size: 22 B, name: |
| | Nov 20 22:43:09 vml000067 amavis[3311]: (03311-01) p002 1/2 Content-Type: application/octet-stream, size: 308 B, name: |
| | Nov 20 22:43:09 vml000067 amavis[3311]: (03311-01) inspect_dsn: not a bounce |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) Checking for banned types and filenames |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) skipping banned check: all recipients bypass banned checks |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) presenting full original message to scanners as /var/spool/amavisd/afXXXXqKQgyd/parts/p006 |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) run_av Using (ClamAV-clamd): (code) CONTSCAN /var/spool/amavisd/afXXXXqKQgyd/parts\n |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) ClamAV-clamd: Connecting to socket /var/run/clamd.amavisd/clamd.sock |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) new socket by IO::Socket::UNIX to /var/run/clamd.amavisd/clamd.sock, timeout 10 |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) ClamAV-clamd: Sending CONTSCAN /var/spool/amavisd/afXXXXqKQgyd/parts\n to socket /var/run/clamd.amavisd/clamd.sock |
| | Nov 20 22:43:10 vml000067 clamd[3288]: /var/spool/amavisd/afXXXXqKQgyd/parts/p005: Eicar-Test-Signature FOUND |
| | Nov 20 22:43:10 vml000067 clamd[3288]: /var/spool/amavisd/afXXXXqKQgyd/parts/p006: Eicar-Test-Signature FOUND |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) rw_loop read: got eof |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) run_av (ClamAV-clamd): /var/spool/amavisd/afXXXXqKQgyd/parts INFECTED: Eicar-Test-Signature, Eicar-Test-Signature |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) virus_scan: (Eicar-Test-Signature), detected by 1 scanners: ClamAV-clamd |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) Virus Eicar-Test-Signature matches (constant:1), sender addr ignored |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) blocking contents category is (9) for django@nausch.org, final_destiny -3 |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) do_notify_and_quar: ccat=Virus (9,0) ("9":Virus, "1,1":CleanTag, "1":Clean, "0":CatchAll) ccat_block=(9), qar_mth= |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) dkim: candidate originators: From:<postmaster@nausch.org> |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) dkim: not signing, empty signing domain, From: <postmaster@nausch.org> |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp session: setting up a new session |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) new socket using IO::Socket::IP to [10.0.0.87]:10025, timeout 35 |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp greeting: 220 mx01.nausch.org ESMTP Postfix, dt: 113.3 ms |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp cmd> EHLO localhost |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp resp to EHLO: 250 mx01.nausch.org\nPIPELINING\nSIZE 52428800\nETRN\nSTARTTLS\nAUTH PLAIN LOGIN DIGEST-MD5 CRAM-MD5 NTLM\nAUTH=PLAIN LOGIN DIGEST-MD5 CRAM-MD5 NTLM\nXFORWARD NAME ADDR PROTO HELO SOURCE PORT IDENT\nENHANCEDSTATUSCODES\n8BITMIME\nDSN |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) AUTH not needed, user='', MTA offers 'PLAIN LOGIN DIGEST-MD5 CRAM-MD5 NTLM' |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp cmd> MAIL FROM:<postmaster@nausch.org> ENVID=AM.2T4ZIGYMVawD.20141120T214310Z@viruswall.dmz.nausch.org |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp cmd> RCPT TO:<django@nausch.org> |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp cmd> DATA |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp resp to MAIL (pip): 250 2.1.0 Ok |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp resp to RCPT (pip) (<django@nausch.org>): 250 2.1.5 Ok |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp resp to DATA: 354 End data with <CR><LF>.<CR><LF> |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) smtp resp to data-dot (<django@nausch.org>): 250 2.0.0 Ok: queued as 44A0AC00089, dt: 28.4 ms |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) Amavis::Out::SMTP::Session close, keeping connection |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) 2T4ZIGYMVawD(AnQpYwBJBkmi) SEND from <postmaster@nausch.org> -> <django@nausch.org>, ENVID=AM.2T4ZIGYMVawD.20141120T214310Z@viruswall.dmz.nausch.org 250 2.0.0 from MTA(smtp:[10.0.0.87]:10025): 250 2.0.0 Ok: queued as 44A0AC00089 |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) delivery method is 1, recips: django@nausch.org |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) DSN: sender is credible (orig), SA: 0.000, <michael@nausch.org> |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) status counters: InMsgsStatus{Rejected,RejectedInternal,RejectedOriginating} |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) Blocked INFECTED (Eicar-Test-Signature) {RejectedInternal}, AM.PDP-SOCK/MYNETS LOCAL [10.0.0.87] <michael@nausch.org> -> <django@nausch.org>, Queue-ID: CCB54C00088, Message-ID: <20141120214309.CCB54C00088@mx01.nausch.org>, mail_id: AnQpYwBJBkmi, Hits: -, size: 1222, 470 ms |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) mail checking ended: version_server=2\nlog_id=03311-01\nsetreply=554 5.7.0 Reject,%20id=03311-01%20-%20INFECTED:%20Eicar-Test-Signature\nreturn_value=reject\nexit_code=69 |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) size: 1222, TIMING [total 541 ms] - got data: 0.0 (0%)0, check_init: 7 (1%)1, digest_hdr: 1.9 (0%)2, digest_body_dkim: 0.4 (0%)2, collect_info: 2.8 (1%)2, mkdir parts: 8 (1%)4, mime_decode: 24 (4%)8, get-file-type2: 35 (6%)14, ren1-unl0-files1: 60 (11%)25, decompose_part: 0.9 (0%)26, get-file-type1: 22 (4%)30, ren1-unl0-files1: 38 (7%)37, decompose_part: 0.3 (0%)37, get-file-type1: 13 (2%)39, parts_decode: 0.2 (0%)39, check_header: 0.5 (0%)39, AV-scan-1: 9 (2%)41, read_snmp_variables: 0.7 (0%)41, decide_mail_destiny: 1.7 (0%)41, notif-quar: 0.5 (0%)41, fwd-connect: 132 (24%)66, fwd-mail-pip: 26 (5%)71, fwd-rcpt-pip: 0.5 (0%)71, fwd-data-chkpnt: 0.1 (0%)71, write-header: 0.4 (0%)71, fwd-data-contents: 1.1 (0%)71, fwd-end-chkpnt: 30 (5%)77, prepare-dsn: 1.3 (0%)77, report: 6 (1%)78, main_log_entry: 52 (10%)87, update_snmp: 51 (9%)97, rundown: 17 (3%)100 |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) extra modules loaded: unicore/lib/Gc/Nd.pl |
| | Nov 20 22:43:10 vml000067 amavis[3311]: (03311-01) load: 100 %, total idle 0.000 s, busy 0.635 s |
| | </code> |
| | |
| | Hier suche wir dann nach besagter ID 03311-01 und erfahren den eigentlichen Grund, warum die Annahme der Nachricht verweigert wurde. |
| | |
| | Gemäß unseren Einstellungen im **[[|AMaViS]]** erhält der Empfänger eine Nachricht, dass versucht wurde ihm eine NAchricht zuzustellen, deren Annahme aber verweigert wurde, da ein Virus erkannt wurde. |
| | |
| | <code>Return-Path: <postmaster@nausch.org> |
| | Delivered-To: django@nausch.org |
| | Received: from mx01.nausch.org ([10.0.0.87]) |
| | by imap.nausch.org (Dovecot) with LMTP id YmGbByhfblQOXQAArK2B9Q |
| | for <django@nausch.org>; Thu, 20 Nov 2014 22:43:10 +0100 |
| | Received: from localhost (vml000067.dmz.nausch.org [10.0.0.67]) |
| | by mx01.nausch.org (Postfix) with ESMTP id 44A0AC00089 |
| | for <django@nausch.org>; Thu, 20 Nov 2014 22:43:10 +0100 (CET) |
| | MIME-Version: 1.0 |
| | From: Postmaster <postmaster@nausch.org> |
| | Date: Thu, 20 Nov 2014 22:43:09 +0100 (CET) |
| | Subject: VIRUS (Eicar-Test-Signature) in mail TO YOU from <michael@nausch.org> |
| | To: django@nausch.org |
| | Message-ID: <VRAnQpYwBJBkmi@viruswall.dmz.nausch.org> |
| | Content-Type: text/plain; charset="UTF-8" |
| | Content-Disposition: inline |
| | Content-Transfer-Encoding: 7bit |
| | |
| | VIRUS ALERT |
| | |
| | Our content checker found |
| | virus: Eicar-Test-Signature |
| | |
| | in an email to you from probably faked sender: |
| | |
| | claiming to be: <michael@nausch.org> |
| | |
| | Content type: Virus |
| | Our internal reference code for your message is 03311-01/AnQpYwBJBkmi |
| | |
| | First upstream SMTP client IP address: [10.0.0.87] vml000087.dmz.nausch.org |
| | Received from: 10.0.0.87 |
| | |
| | Return-Path: <michael@nausch.org> |
| | From: michael@nausch.org |
| | Message-ID: <20141120214309.CCB54C00088@mx01.nausch.org> |
| | X-Mailer: swaks v20130209.0 jetmore.org/john/code/swaks/ |
| | Subject: Eicar Virentestpattern |
| | Not quarantined. |
| | |
| | Please contact your system administrator for details. |
| | |
| | </code> |
| |
| |
| FIXME | |
| ===== Optimierung / RAM-Disk für AMaViS ===== | ===== Optimierung / RAM-Disk für AMaViS ===== |
| | Da sich bei entsprechenden Traffic die Zugriffe auf die Harddisk ungünstig auf die Performance auswirkt, legen wir eine RAM-Disk für den Virenscanner an. Dort kann ClamAV dann die Dateianhänge der Nachrichten entpacken, ablegen und auf Schadcode hin überprüfen. |
| |
| | <WRAP center round tip 60%> \\ |
| | Denn wie lautet die alte Serverkonfiguration? //**Was ist besser als viel RAM? Ganz einfach: Noch mehr RAM!**// ;) |
| | </WRAP> |
| | |
| | Bei der Festlegung, wie groß die RAM-Disk denn sein soll, kann man folgende Formel heranziehen: |
| | |
| | **RAM-Disk ≈ Anzahl AMaViS-Instanzen * (max. e-Mailgröße + (max. e-Mailgröße * Auspackfaktor))** |
| | |
| | Diesen theoretischen Wert, wird man aber in den seltensten Fällen einstellen können/dürfen. Zum einen gibt es Budgetgrenzen bei der Anschaffung und natürlich andere limitierende Faktoren, wie z.B. den Netzwerkkartendurchsatz und Wahrscheinlichkeit, wie häufig Nachrichten mit Anhängen zugleich bearbeitet werden müssen. |
| | |
| | Bei einigen Installationen hat sich die Faustregel |
| | **RAM-Disk ≈ Anzahl AMaViS-Instanzen * (1,25 * max. Dateigröße)** |
| | bestens bewährt. Bei vier Instanzen reicht also eine 250MB große RAM-Disk dicke aus! |
| | |
| | Damit wir die Zugriffsrechte auf die Ramdisk richtig setzen können, schließlich soll nicht jedermann die Inhalte der eMails lesen können, ermitteln wird zu erst noch die **gid** und **uid**. |
| | # grep amavis /etc/passwd |
| | |
| | amavis:x:996:995:User for amavisd-new:/var/spool/amavisd:/sbin/nologin |
| | |
| | Die **UID** lautet also **996** und die **GID** **995**. |
| | |
| | Da wir nun die Werte **RAM-Disk-Größe**, **GID** und **UID** haben können wir nun in der Konfigurationsdatei //**/etc/fstab**// unsere RAM-Disk definieren. |
| | # vim /etc/fstab |
| | <code bash>... |
| | |
| | # Django : 2014-11-21 |
| | # RAM-Disk für ClamAV eingerichtet |
| | tmpfs /var/spool/amavisd/tmp/ tmpfs defaults,size=250m,mode=750,uid=996,gid=995 0 0 |
| | </code> |
| | |
| | Anschließend mounten wir unser neues Laufwerk mit dem folgenden Aufruf. |
| | # mount /var/spool/amavisd/tmp |
| | |
| | Je nach Belastung werden nun in unserem Arbeitsverzeichnis die Daten abgelegt. |
| | # df -h -t tmpfs |
| | |
| | <code>Filesystem Size Used Avail Use% Mounted on |
| | tmpfs 921M 0 921M 0% /dev/shm |
| | tmpfs 921M 8.4M 913M 1% /run |
| | tmpfs 921M 0 921M 0% /sys/fs/cgroup |
| | /dev/shm 250M 168M 250M 67% /var/spool/amavisd/tmp</code> |
| | |
| | Der Scanvorgang unserer Nachrichten wird nun wesentlich schneller ablaufen, als bei den Tests ohne die RAM-Disk! |
| ====== Links ====== | ====== Links ====== |
| * **⇐ [[centos:mail_c7:spam_6|Zurück zum Kapitel "Grundinstallation von AMaViS unter CentOS 7.x"]]** | * **⇐ [[centos:mail_c7:spam_6|Zurück zum Kapitel "Grundinstallation von AMaViS unter CentOS 7.x"]]** |
| * **⇒ [[centos:mail_c7:spam_8|Zurück zum Kapitel "Spamassassin für AMaViS unter CentOS 7.x"]]** | * **⇒ [[centos:mail_c7:spam_8|Weiter zum Kapitel "Spamassassin für AMaViS unter CentOS 7.x"]]** |
| * **[[centos:mail_c7:start|Zurück zum Kapitel >>Mailserverinstallation unter CentOS 7<<]]** | * **[[centos:mail_c7:start|Zurück zum Kapitel >>Mailserverinstallation unter CentOS 7<<]]** |
| * **[[wiki:start|Zurück zu >>Projekte und Themenkapitel<<]]** | * **[[wiki:start|Zurück zu >>Projekte und Themenkapitel<<]]** |
| * **[[http://dokuwiki.nausch.org/doku.php/|Zurück zur Startseite]]** | * **[[http://dokuwiki.nausch.org/doku.php/|Zurück zur Startseite]]** |
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