Re: [Dovecot] Spammers attempting SASL Auth

2011-10-17 Thread Simon Brereton
On 17 October 2011 12:10, Tom Pawlowski wrote: > Take a look at: > > http://hg.dovecot.org/dovecot-2.0/file/962df5d9413a/src/auth/auth-request.c > > on line 536. That's the auth service catching illegal characters and > rejecting the attempt. It'll happen with or without a valid user. So, > workin

Re: [Dovecot] Spammers attempting SASL Auth

2011-10-17 Thread Tom Pawlowski
Take a look at: http://hg.dovecot.org/dovecot-2.0/file/962df5d9413a/src/auth/auth-request.c on line 536. That's the auth service catching illegal characters and rejecting the attempt. It'll happen with or without a valid user. So, working as it should. As for spammers trying to brute force val

Re: [Dovecot] Spammers attempting SASL Auth

2011-10-17 Thread Robert Schetterer
Am 17.10.2011 17:51, schrieb Simon Brereton: > On 17 October 2011 11:31, Robert Schetterer wrote: >> Am 17.10.2011 17:16, schrieb Simon Brereton: >>> Hi >>> >>> This is a new one on me - I've never seen spammers attempt to use to SASL >>> Auth to inject spam. None of the users they are trying (n

Re: [Dovecot] Spammers attempting SASL Auth

2011-10-17 Thread Simon Brereton
On 17 October 2011 11:31, Robert Schetterer wrote: > Am 17.10.2011 17:16, schrieb Simon Brereton: >> Hi >> >> This is a new one on me - I've never seen spammers attempt to use to SASL >> Auth to inject spam. None of the users they are trying (newsletter, dummy, >> test, etc.) exist, but what wo

Re: [Dovecot] Spammers attempting SASL Auth

2011-10-17 Thread Robert Schetterer
Am 17.10.2011 17:16, schrieb Simon Brereton: > Hi > > This is a new one on me - I've never seen spammers attempt to use to SASL > Auth to inject spam. None of the users they are trying (newsletter, dummy, > test, etc.) exist, but what worries me is the illegal chars error - is this a > known v

[Dovecot] Spammers attempting SASL Auth

2011-10-17 Thread Simon Brereton
Hi This is a new one on me - I've never seen spammers attempt to use to SASL Auth to inject spam. None of the users they are trying (newsletter, dummy, test, etc.) exist, but what worries me is the illegal chars error - is this a known vulnerability in dovecot they are trying to exploit? I'm