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Merge pull request #613 from grooverdan/more-ssh 

ENH: ssh filter - "Disconnecting: Too many authentication failures.." ma...
pull/616/head
Steven Hiscocks 2014-02-12 22:55:04 +00:00
parent 5177fded7b 45157ddc86
commit 0822275295
4 changed files with 9 additions and 0 deletions
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3
ChangeLog
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@ -69,6 +69,9 @@ configuration before relying on it.
* Multiline filter for sendmail-spam. Close gh-418 * Multiline filter for sendmail-spam. Close gh-418
* Multiline regex for Disconnecting: Too many authentication failures for * Multiline regex for Disconnecting: Too many authentication failures for
root [preauth]\nConnection closed by 6X.XXX.XXX.XXX [preauth] root [preauth]\nConnection closed by 6X.XXX.XXX.XXX [preauth]
* Multiline regex for Disconnecting: Connection from 61.XX.XX.XX port
51353\nToo many authentication failures for root [preauth]. Thanks
Helmut Grohne. Close gh-457
* Replacing use of deprecated API (.warning, .assertEqual, etc) * Replacing use of deprecated API (.warning, .assertEqual, etc)
* [..a648cc2] Filters can have options now too which are substituted into * [..a648cc2] Filters can have options now too which are substituted into
failregex / ignoreregex failregex / ignoreregex

1
THANKS
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@ -40,6 +40,7 @@ Georgiy Mernov
Guilhem Lettron Guilhem Lettron
Guillaume Delvit Guillaume Delvit
Hanno 'Rince' Wagner Hanno 'Rince' Wagner
Helmut Grohne
Iain Lea Iain Lea
Ivo Truxa Ivo Truxa
John Thoe John Thoe

1
config/filter.d/sshd.conf
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@ -28,6 +28,7 @@ failregex = ^%(__prefix_line)s(?:error: PAM: )?[aA]uthentication (?:failure|erro
^%(__prefix_line)sUser .+ from <HOST> not allowed because none of user's groups are listed in AllowGroups\s*$ ^%(__prefix_line)sUser .+ from <HOST> not allowed because none of user's groups are listed in AllowGroups\s*$
^(?P<__prefix>%(__prefix_line)s)User .+ not allowed because account is locked<SKIPLINES>(?P=__prefix)(?:error: )?Received disconnect from <HOST>: 11: Bye Bye \[preauth\]$ ^(?P<__prefix>%(__prefix_line)s)User .+ not allowed because account is locked<SKIPLINES>(?P=__prefix)(?:error: )?Received disconnect from <HOST>: 11: Bye Bye \[preauth\]$
^(?P<__prefix>%(__prefix_line)s)Disconnecting: Too many authentication failures for .+? \[preauth\]<SKIPLINES>(?P=__prefix)(?:error: )?Connection closed by <HOST> \[preauth\]$ ^(?P<__prefix>%(__prefix_line)s)Disconnecting: Too many authentication failures for .+? \[preauth\]<SKIPLINES>(?P=__prefix)(?:error: )?Connection closed by <HOST> \[preauth\]$
^(?P<__prefix>%(__prefix_line)s)Connection from <HOST> port \d+<SKIPLINES>(?P=__prefix)Disconnecting: Too many authentication failures for .+? \[preauth\]$
ignoreregex = ignoreregex =

4
fail2ban/tests/files/logs/sshd
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@ -132,3 +132,7 @@ Nov 23 21:50:37 sshd[7148]: Connection closed by 61.0.0.1 [preauth]
# failJSON: { "time": "2005-07-13T18:44:28", "match": true , "host": "89.24.13.192", "desc": "from gh-289" } # failJSON: { "time": "2005-07-13T18:44:28", "match": true , "host": "89.24.13.192", "desc": "from gh-289" }
Jul 13 18:44:28 mdop sshd[4931]: Received disconnect from 89.24.13.192: 3: com.jcraft.jsch.JSchException: Auth fail Jul 13 18:44:28 mdop sshd[4931]: Received disconnect from 89.24.13.192: 3: com.jcraft.jsch.JSchException: Auth fail
# failJSON: { "match": false }
Feb 12 04:09:18 localhost sshd[26713]: Connection from 115.249.163.77 port 51353
# failJSON: { "time": "2005-02-12T04:09:21", "match": true , "host": "115.249.163.77", "desc": "from gh-457" }
Feb 12 04:09:21 localhost sshd[26713]: Disconnecting: Too many authentication failures for root [preauth]