Re: username in from address

2011-03-23 Thread Adam Katz
On 3/22/2011 1:16 PM, Mark Chaney wrote: Ever notice that a lot of spam seems to have your username in their from address? Such as an email sent TO b...@domain.com is FROM blah...@anotherdomain.com (notice 'blah' included in the from address). On 3/22/2011 2:31 PM, Adam Katz wr

Re: Reproducing Bug 6559

2011-03-23 Thread Michael Scheidell
On 3/23/11 5:10 PM, Karsten Bräckelmann wrote: Michael, I don't think I could follow you. Did you say that these "identical" systems do have different rules? there might be some slight differences in local.cf. thats it. this one is very strange. offlist if you want more details... -- Michael

Re: Spam Eating Monkey causing 100% false positives for large institutions

2011-03-23 Thread Karsten Bräckelmann
On Wed, 2011-03-23 at 11:08 -1000, Warren Togami Jr. wrote: > On 3/23/2011 10:58 AM, Karsten Bräckelmann wrote: > > Ugh, nasty boy. ;) You do realize they wouldn't be hammering the SEM > > DNS servers, if testrules wouldn't have slipped out accidentally -- by > > sa-update. > > > > Personally, I'

Re: Reproducing Bug 6559

2011-03-23 Thread Karsten Bräckelmann
On Mon, 2011-03-21 at 05:33 -0400, Michael Scheidell wrote: > 32 systems, exactly the same cpu, step software. only minor differences > would be.. well, not even the exact set of rules. but can re2c randomly > compile something different depending on internal cpu cache? > > only two of them had

Re: Spam Eating Monkey causing 100% false positives for large institutions

2011-03-23 Thread Warren Togami Jr.
On 3/23/2011 10:58 AM, Karsten Bräckelmann wrote: On Wed, 2011-03-23 at 10:18 -1000, Warren Togami Jr. wrote: On 3/23/2011 7:38 AM, Blaine Fleming wrote: In the recent sa-updates, the Spam Eating Monkey rules were inappropriately enabled. [...] As soon as the bug was reported on the dev lis

Re: Spam Eating Monkey causing 100% false positives for large institutions

2011-03-23 Thread Karsten Bräckelmann
On Wed, 2011-03-23 at 10:18 -1000, Warren Togami Jr. wrote: > On 3/23/2011 7:38 AM, Blaine Fleming wrote: > > > In the recent sa-updates, the Spam Eating Monkey rules were > > > inappropriately enabled. [...] > > As soon as the bug was reported on the dev list I disabled the > > 127.0.0.255 respo

Re: Spam Eating Monkey causing 100% false positives for large institutions

2011-03-23 Thread Warren Togami Jr.
On 3/23/2011 7:38 AM, Blaine Fleming wrote: On 3/23/2011 9:56 AM, dar...@chaosreigns.com wrote: In the recent sa-updates, the Spam Eating Monkey rules were inappropriately enabled. If you hit them too much, they start returning 100% false positives. Their listed limits are "more than 100,000 q

Re: fake URL's in mail

2011-03-23 Thread Lawrence @ Rogers
On 23/03/2011 4:36 PM, Adam Katz wrote: On 03/23/2011 11:43 AM, Matus UHLAR - fantomas wrote: On 03/21/2011 09:37 AM, Matus UHLAR - fantomas wrote: Does anyone successfully use plugin or at least rules that catch fake URLs? On 21.03.11 13:36, Adam Katz wrote: __SPOOFED_URL, a rule already shi

Re: fake URL's in mail

2011-03-23 Thread Adam Katz
On 03/23/2011 11:43 AM, Matus UHLAR - fantomas wrote: >> On 03/21/2011 09:37 AM, Matus UHLAR - fantomas wrote: > Does anyone successfully use plugin or at least rules that > catch fake URLs? > On 21.03.11 13:36, Adam Katz wrote: >> __SPOOFED_URL, a rule already shipping with SA, does this.

Re: fake URL's in mail

2011-03-23 Thread Michael Scheidell
On 3/23/11 2:50 PM, Matus UHLAR - fantomas wrote: On 3/23/11 2:43 PM, Matus UHLAR - fantomas wrote: I know about the problem with "legal" mail and spoofed URL's. That's why I asked about plugin that would be able to accept whitelists. I don't see if it's possible to combine this with matching s

Re: fake URL's in mail

2011-03-23 Thread Matus UHLAR - fantomas
> On 3/23/11 2:43 PM, Matus UHLAR - fantomas wrote: >> I know about the problem with "legal" mail and spoofed URL's. That's why I >> asked about plugin that would be able to accept whitelists. >> >> I don't see if it's possible to combine this with matching some domains >> while not matching others

Re: fake URL's in mail

2011-03-23 Thread Michael Scheidell
On 3/23/11 2:43 PM, Matus UHLAR - fantomas wrote: I know about the problem with "legal" mail and spoofed URL's. That's why I asked about plugin that would be able to accept whitelists. I don't see if it's possible to combine this with matching some domains while not matching others, e.g. allow

Re: fake URL's in mail

2011-03-23 Thread Matus UHLAR - fantomas
> On 03/21/2011 09:37 AM, Matus UHLAR - fantomas wrote: > >>> Does anyone successfully use plugin or at least rules that catch > >>> fake URLs? > > > I mean URLs pointing to different address than they appear, like: > > > > http://webmail.example.com/ On 21.03.11 13:36, Adam Katz wrote: > No plu

Re: Spam Eating Monkey causing 100% false positives for large institutions

2011-03-23 Thread RW
On Wed, 23 Mar 2011 11:56:25 -0400 dar...@chaosreigns.com wrote: > In the recent sa-updates, the Spam Eating Monkey rules were > inappropriately enabled. If you hit them too much, they start > returning 100% false positives. On the bright side, anyone getting 100% false positives on any test ha

Re: Spam Eating Monkey causing 100% false positives for large institutions

2011-03-23 Thread darxus
On 03/23, Blaine Fleming wrote: > As soon as the bug was reported on the dev list I disabled the > 127.0.0.255 response code to avoid any additional issues. I will be That was very kind of you. > 3AM. Personally, I don't think it is unreasonable to start returning > this response code for someo

Re: Spam Eating Monkey causing 100% false positives for large institutions

2011-03-23 Thread Blaine Fleming
On 3/23/2011 9:56 AM, dar...@chaosreigns.com wrote: > In the recent sa-updates, the Spam Eating Monkey rules were > inappropriately enabled. If you hit them too much, they start returning > 100% false positives. Their listed limits are "more than 100,000 queries > per day or more than 5 queries p

Spam Eating Monkey causing 100% false positives for large institutions

2011-03-23 Thread darxus
In the recent sa-updates, the Spam Eating Monkey rules were inappropriately enabled. If you hit them too much, they start returning 100% false positives. Their listed limits are "more than 100,000 queries per day or more than 5 queries per second for more than a few minutes". To disable them, ad

Re: Bad Helo Host impersonating

2011-03-23 Thread Dominic Benson
On 23 Mar 2011, at 08:09, Dave Funk wrote: > On Tue, 22 Mar 2011, jon1234 wrote: > >> >> >>> From where do they get that bounce message? From a host internal to your >>> network or from hosts out on the Internet? >> >> The bounce message is only when they send certain domains that are externa

Re: Bad Helo Host impersonating

2011-03-23 Thread Dave Funk
On Tue, 22 Mar 2011, jon1234 wrote: From where do they get that bounce message? From a host internal to your network or from hosts out on the Internet? The bounce message is only when they send certain domains that are external to our network. If that's coming from an internal MTA, I'd s