Re: FPs on RCVD_ILLEGAL_IP

2015-04-22 Thread Benny Pedersen
Mark Martinec skrev den 2015-04-22 02:17: ... although there's a funny twist there. Some of these illegal IP addresses are not really a claimed-to-be IP address of a mailer, but come from an embedded e-mail address in a comment: Received: from unknown (HELO localhost) (jennifer_pr...@sbcgloba

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Dianne Skoll
On Wed, 22 Apr 2015 02:17:00 +0200 Mark Martinec wrote: > Received: from unknown (HELO localhost) >(bsobolew...@stockton-house.com@236.139.213.194) >by 76.172.150.91 with ESMTPA; Tue, 21 Apr 2015 11:41:10 -0800 > so by a lucky coincidence a misparsed Received ends up > yielding a useful-

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Mark Martinec
Dianne Skoll wrote: Mark Martinec wrote: I can only conclude that a rule like RCVD_ILLEGAL_IP will hit mostly on misconfigured or misguided sending mailers, not primarily on spam. I disagree. Now that the Microsoft issue has been fixed, well over 95% of the mail on our system that hits RCVD_

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Bill Cole
On 21 Apr 2015, at 18:47, Mark Martinec wrote: There is no benefit to spammers (and a likely disservice to them) for forging a non-trustworthy external Received header field and providing some unusual IP address there, and they cannot forge the boundary Received header field inserted by recipien

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Dianne Skoll
On Wed, 22 Apr 2015 00:47:56 +0200 Mark Martinec wrote: > I can only conclude that a rule like RCVD_ILLEGAL_IP will hit > mostly on misconfigured or misguided sending mailers, not primarily > on spam. I disagree. Now that the Microsoft issue has been fixed, well over 95% of the mail on our syst

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Mark Martinec
shanew wrote: I presume detecting forged Received headers was the point of this rule all along, so if we all toss this rule out the window (or adjust to exclude this edge case), aren't we potentially encouraging spammers to "hide" their true networks in the same way? There is no benefit to spam

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Axb
On 04/21/2015 09:23 PM, sha...@shanew.net wrote: On Tue, 21 Apr 2015, Dianne Skoll wrote: On Tue, 21 Apr 2015 16:56:48 +0200 Matus UHLAR - fantomas wrote: what if Microsoft starts using other IP range tested by RCVD_ILLEGAL_IP? Then it deserves what it gets. Market forces are intended to

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Reindl Harald
Am 21.04.2015 um 21:23 schrieb sha...@shanew.net: On Tue, 21 Apr 2015, Dianne Skoll wrote: On Tue, 21 Apr 2015 16:56:48 +0200 Matus UHLAR - fantomas wrote: what if Microsoft starts using other IP range tested by RCVD_ILLEGAL_IP? Then it deserves what it gets. Market forces are intended t

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread shanew
On Tue, 21 Apr 2015, Dianne Skoll wrote: On Tue, 21 Apr 2015 16:56:48 +0200 Matus UHLAR - fantomas wrote: what if Microsoft starts using other IP range tested by RCVD_ILLEGAL_IP? Then it deserves what it gets. Market forces are intended to penalize companies that do stupid things and if we

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Dianne Skoll
On Tue, 21 Apr 2015 16:56:48 +0200 Matus UHLAR - fantomas wrote: > what if Microsoft starts using other IP range tested by > RCVD_ILLEGAL_IP? Then it deserves what it gets. Market forces are intended to penalize companies that do stupid things and if we interfere in those market forces, it will

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Matus UHLAR - fantomas
> On 21.04.15 14:08, Mark Martinec wrote: > >In any case, I think that RCVD_ILLEGAL_IP should not be adding > >score points if it sees an 0.0.0.0/8 address in a Received header > >field. On Tue, 21 Apr 2015 15:56:27 +0200 Matus UHLAR - fantomas wrote: > Why not? Should not it depend mostly on w

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Reindl Harald
Am 21.04.2015 um 16:26 schrieb Benny Pedersen: RW skrev den 2015-04-21 16:11: > In any case, I think that RCVD_ILLEGAL_IP should not be adding > score points if it sees an 0.0.0.0/8 address in a Received header > field. why not add it to internal_networks in local.cf ?, because internal_net

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Benny Pedersen
RW skrev den 2015-04-21 16:11: > In any case, I think that RCVD_ILLEGAL_IP should not be adding > score points if it sees an 0.0.0.0/8 address in a Received header > field. why not add it to internal_networks in local.cf ?, because internal_networks has no effect in the untrusted network. s

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Reindl Harald
Am 21.04.2015 um 16:21 schrieb Reindl Harald: Am 21.04.2015 um 15:59 schrieb Benny Pedersen: Mark Martinec skrev den 2015-04-21 14:08: In any case, I think that RCVD_ILLEGAL_IP should not be adding score points if it sees an 0.0.0.0/8 address in a Received header field. why not add it to int

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Reindl Harald
Am 21.04.2015 um 15:59 schrieb Benny Pedersen: Mark Martinec skrev den 2015-04-21 14:08: In any case, I think that RCVD_ILLEGAL_IP should not be adding score points if it sees an 0.0.0.0/8 address in a Received header field. why not add it to internal_networks in local.cf ?, why is spamassass

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread RW
On Tue, 21 Apr 2015 15:10:09 +0100 RW wrote: > On Tue, 21 Apr 2015 15:56:27 +0200 > Matus UHLAR - fantomas wrote: > > > On 21.04.15 14:08, Mark Martinec wrote: > > >In any case, I think that RCVD_ILLEGAL_IP should not be adding > > >score points if it sees an 0.0.0.0/8 address in a Received heade

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread RW
On Tue, 21 Apr 2015 15:59:54 +0200 Benny Pedersen wrote: > Mark Martinec skrev den 2015-04-21 14:08: > > In any case, I think that RCVD_ILLEGAL_IP should not be adding > > score points if it sees an 0.0.0.0/8 address in a Received header > > field. > > why not add it to internal_networks in loca

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread RW
On Tue, 21 Apr 2015 15:56:27 +0200 Matus UHLAR - fantomas wrote: > On 21.04.15 14:08, Mark Martinec wrote: > >In any case, I think that RCVD_ILLEGAL_IP should not be adding > >score points if it sees an 0.0.0.0/8 address in a Received header > >field. > > Why not? Should not it depend mostly on w

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Benny Pedersen
Mark Martinec skrev den 2015-04-21 14:08: In any case, I think that RCVD_ILLEGAL_IP should not be adding score points if it sees an 0.0.0.0/8 address in a Received header field. why not add it to internal_networks in local.cf ?, why is spamassassin only have 127.0.0.1 ?, is spamassassin at fa

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Matus UHLAR - fantomas
On 21.04.15 14:08, Mark Martinec wrote: In any case, I think that RCVD_ILLEGAL_IP should not be adding score points if it sees an 0.0.0.0/8 address in a Received header field. Why not? Should not it depend mostly on what masscheck say? ...some time ago, I noticed that Eset Smart Security (and

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Axb
On 04/21/2015 01:13 AM, sha...@shanew.net wrote: I'm so glad to finally see this mentioned on here, because I was starting to doubt my own gut reaction that putting invalid IP addresses in Received is all sorts of broken. We noticed it last week after someone from Microsoft mentioned getting

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread RW
On Tue, 21 Apr 2015 11:40:45 +0100 Martin Gregorie wrote: > On Mon, 2015-04-20 at 21:15 -0400, Dianne Skoll wrote: > > On Mon, 20 Apr 2015 17:02:09 -0700 (PDT) > > John Hardin wrote: > > > > > I suggest that this rule should treat 0/8 as equivalent to 127/8. > > > That's essentially what it's re

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Mark Martinec
In any case, I think that RCVD_ILLEGAL_IP should not be adding score points if it sees an 0.0.0.0/8 address in a Received header field. Mark

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Martin Gregorie
On Mon, 2015-04-20 at 21:15 -0400, Dianne Skoll wrote: > On Mon, 20 Apr 2015 17:02:09 -0700 (PDT) > John Hardin wrote: > > > I suggest that this rule should treat 0/8 as equivalent to 127/8. > > That's essentially what it's reserved for, just "local to the LAN" > > vs. "local to the host". > > D

Re: FPs on RCVD_ILLEGAL_IP

2015-04-21 Thread Mark Martinec
Dianne Skoll wrote: On Mon, 20 Apr 2015 17:02:09 -0700 (PDT) John Hardin wrote: I suggest that this rule should treat 0/8 as equivalent to 127/8. That's essentially what it's reserved for, just "local to the LAN" vs. "local to the host". Does 0/8 really mean that? On at least one OS (Linux)

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Dianne Skoll
On Mon, 20 Apr 2015 17:02:09 -0700 (PDT) John Hardin wrote: > I suggest that this rule should treat 0/8 as equivalent to 127/8. > That's essentially what it's reserved for, just "local to the LAN" > vs. "local to the host". Does 0/8 really mean that? On at least one OS (Linux), the TCP stack tr

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Mark Martinec
John Hardin wrote: I suggest that this rule should treat 0/8 as equivalent to 127/8. That's essentially what it's reserved for, just "local to the LAN" vs. "local to the host". I fully agree. Mark

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread John Hardin
On Mon, 20 Apr 2015, sha...@shanew.net wrote: I'm also happy to know there's some discussion going on with MS. When I mentioned it to an MS friend of mine last week he didn't seem particularly shocked that the "internal" headers wouldn't comply with expectations, but he also seemed surprised tha

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread shanew
On Mon, 20 Apr 2015, Axb wrote: On 04/20/2015 08:04 PM, Dianne Skoll wrote: Hi, Not sure if this is still an issue in 3.4, but I'm seeing tons of FPs on RCVD_ILLEGAL_IP. Why? Because Microsoft (damn it to hell) has started using RESERVED IP ranges internally! Have a look: Rec

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Benny Pedersen
Benny Pedersen skrev den 2015-04-20 21:34: John Hardin skrev den 2015-04-20 21:24: On Mon, 20 Apr 2015, Reindl Harald wrote: well, received headers in the middle of a message are not that good for classification at all It is if they are sloppily forged. good plan here https://dmarcian.com/

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread RW
On Mon, 20 Apr 2015 20:50:08 +0200 Axb wrote: > On 04/20/2015 08:04 PM, Dianne Skoll wrote: > > Is anyone else seeing a sudden uptick in RCVD_ILLEGAL_IP FPs? > > There is an ongoing discussion about this with MS, thru backchannels. > > They're intentionally using the 0/8 to mask internal IPs.

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Reindl Harald
Am 20.04.2015 um 22:48 schrieb Axb: On 04/20/2015 09:03 PM, Reindl Harald wrote: well, received headers in the middle of a message are not that good for classification at all sez the expert.. well, i was victim of a appliance starting from one day to another deep header inspection for RBL'

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Axb
On 04/20/2015 09:03 PM, Reindl Harald wrote: well, received headers in the middle of a message are not that good for classification at all sez the expert.. look at 20_dnsbl_tests.cf and you'll see that not all lookups are lastexternal or put the internet cafes on 41.203.69.0/24 in a local B

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Reindl Harald
Am 20.04.2015 um 21:34 schrieb Benny Pedersen: John Hardin skrev den 2015-04-20 21:24: On Mon, 20 Apr 2015, Reindl Harald wrote: well, received headers in the middle of a message are not that good for classification at all It is if they are sloppily forged. good plan here https://dmarcian

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Benny Pedersen
John Hardin skrev den 2015-04-20 21:24: On Mon, 20 Apr 2015, Reindl Harald wrote: well, received headers in the middle of a message are not that good for classification at all It is if they are sloppily forged. good plan here https://dmarcian.com/spf-survey/outlock.com ipv6 only spf

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread John Hardin
On Mon, 20 Apr 2015, Reindl Harald wrote: well, received headers in the middle of a message are not that good for classification at all It is if they are sloppily forged. -- John Hardin KA7OHZhttp://www.impsec.org/~jhardin/ jhar...@impsec.orgFALaholic #11174 pgpk

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Reindl Harald
Am 20.04.2015 um 20:59 schrieb Axb: On 04/20/2015 08:54 PM, Reindl Harald wrote: Am 20.04.2015 um 20:51 schrieb Axb: On 04/20/2015 08:45 PM, Reindl Harald wrote: looks like RCVD_ILLEGAL_IP does much more harm than good the rule is good - send your complaint to Microsoft. 0/8 is not assign

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Dianne Skoll
On Mon, 20 Apr 2015 14:59:19 -0400 "Kevin A. McGrail" wrote: > I don't show it hitting on ham on my system though I trust DFS and > AXB's experience in this matter. You might want to score it to 0 > because I'm not going to raise a panic flag on a 1.3 score rule when > Microsoft could come to th

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Axb
On 04/20/2015 08:54 PM, Reindl Harald wrote: Am 20.04.2015 um 20:51 schrieb Axb: On 04/20/2015 08:45 PM, Reindl Harald wrote: Am 20.04.2015 um 20:42 schrieb Kevin A. McGrail: On 4/20/2015 2:23 PM, Dianne Skoll wrote: On Mon, 20 Apr 2015 14:20:35 -0400 "Kevin A. McGrail" wrote: Are you se

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Kevin A. McGrail
On 4/20/2015 2:54 PM, Reindl Harald wrote: no a rule with 1.3 points hitting to 99.999% ham messages is not good and it does not matter who is responsible - sening a complaint to microsoft does not solve a *real problem now* I don't show it hitting on ham on my system though I trust DFS and A

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Reindl Harald
Am 20.04.2015 um 20:51 schrieb Axb: On 04/20/2015 08:45 PM, Reindl Harald wrote: Am 20.04.2015 um 20:42 schrieb Kevin A. McGrail: On 4/20/2015 2:23 PM, Dianne Skoll wrote: On Mon, 20 Apr 2015 14:20:35 -0400 "Kevin A. McGrail" wrote: Are you seeing it on a lot of emails? Over 25000 today;

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Dianne Skoll
On Mon, 20 Apr 2015 14:42:35 -0400 "Kevin A. McGrail" wrote: > Weird. Any chance you know one of the senders and can ask them to > email kmcgr...@pccc.com and raptorrevie...@pccc.com with a test? then > you and I can compare tests hit, etc. Hmm... that'd be awkward because it's not my mail; it'

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Kevin A. McGrail
I'm not finding the rule hitting very much here. And it doesn't appear to be very high volume looking at http://ruleqa.spamassassin.org/20150419-r1674595-n/RCVD_ILLEGAL_IP/detail but the S/O is high.

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Axb
On 04/20/2015 08:04 PM, Dianne Skoll wrote: Hi, Not sure if this is still an issue in 3.4, but I'm seeing tons of FPs on RCVD_ILLEGAL_IP. Why? Because Microsoft (damn it to hell) has started using RESERVED IP ranges internally! Have a look: Received: from BLUPR10MB0835.nam

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Axb
On 04/20/2015 08:45 PM, Reindl Harald wrote: Am 20.04.2015 um 20:42 schrieb Kevin A. McGrail: On 4/20/2015 2:23 PM, Dianne Skoll wrote: On Mon, 20 Apr 2015 14:20:35 -0400 "Kevin A. McGrail" wrote: Are you seeing it on a lot of emails? Over 25000 today; every single one of them from an "...

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Kevin A. McGrail
On 4/20/2015 2:23 PM, Dianne Skoll wrote: On Mon, 20 Apr 2015 14:20:35 -0400 "Kevin A. McGrail" wrote: Are you seeing it on a lot of emails? Over 25000 today; every single one of them from an "...outlook.com" server. :( Regards, Dianne. Weird. Any chance you know one of the senders and can

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Reindl Harald
Am 20.04.2015 um 20:42 schrieb Kevin A. McGrail: On 4/20/2015 2:23 PM, Dianne Skoll wrote: On Mon, 20 Apr 2015 14:20:35 -0400 "Kevin A. McGrail" wrote: Are you seeing it on a lot of emails? Over 25000 today; every single one of them from an "...outlook.com" server. :( Regards, Dianne. We

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Dianne Skoll
On Mon, 20 Apr 2015 14:20:35 -0400 "Kevin A. McGrail" wrote: > Are you seeing it on a lot of emails? Over 25000 today; every single one of them from an "...outlook.com" server. :( Regards, Dianne.

Re: FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Kevin A. McGrail
On 4/20/2015 2:04 PM, Dianne Skoll wrote: Not sure if this is still an issue in 3.4, but I'm seeing tons of FPs on RCVD_ILLEGAL_IP. Why? Because Microsoft (damn it to hell) has started using RESERVED IP ranges internally! Have a look: Received: from BLUPR10MB0835.namprd10.prod.outloo

FPs on RCVD_ILLEGAL_IP

2015-04-20 Thread Dianne Skoll
Hi, Not sure if this is still an issue in 3.4, but I'm seeing tons of FPs on RCVD_ILLEGAL_IP. Why? Because Microsoft (damn it to hell) has started using RESERVED IP ranges internally! Have a look: Received: from BLUPR10MB0835.namprd10.prod.outlook.com (0.163.216.13) by BLUPR10M