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Robin Atwood wrote: |
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> On Saturday 24 October 2009, Alan McKinnon wrote: |
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>> On Friday 23 October 2009 21:49:42 Robin Atwood wrote: |
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>>> My syslog is showing zillions of messages: |
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>>> |
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>>> Oct 24 02:25:58 opal xinetd[8054]: START: pop-3 pid=16534 |
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>>> from=61.134.64.199 Oct 24 02:25:59 opal xinetd[16534]: warning: |
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>>> /etc/hosts.allow, line 7: can't verify hostname: |
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>>> gethostbyname(199.64.134.61.broad.gs.dynamic.163data.com.cn) failed |
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>>> Oct 24 02:26:09 opal xinetd[8054]: EXIT: pop-3 status=0 pid=16534 |
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>>> duration=11(sec) |
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>>> |
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>>> I run denyhosts but don't trap pop3 messages so I manually added the IP |
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>>> address to /etc/hosts.deny and..., it made absolutely no difference. I |
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>>> run qpopper which is compiled with xinetd support and xinetd uses tcpd, |
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>>> so I assumed the address would be blocked. Apparently not so. Any ideas? |
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>> You have allow ALL ALL early in hosts.allow, or |
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>> you have allow pop3 all earlier in hosts.allow |
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> |
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> The second! I had forgotten about that. The trouble I set it up that way so I |
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> could pick up email from arbitrary locations while travelling. It seems the |
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> price of that is allowing idiots to spam your logs. |
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> |
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> Thanks for the pointer. |
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> -Robin |
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You might think about moving to pop3-ssl or imap-ssl and dropping the |
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unencrypted protocols. Usually keeps people from banging on the servers |
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and much safer if you use the occasional unsecured wireless network. |
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|
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kashani |
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