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Systems Block Policy Discussion
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Whip-lash
Kneel before me... for I am Root!


Joined: 20 Nov 2000
Posts: 562

PostPosted: Thu Jul 08, 2004 11:12 am    Post subject: Systems Block Policy Discussion Reply with quote

This is where questions or comments concerning the new Systems Block Policy should be posted. If you believe you are being blocked by a rule in this policy, please go back to the policy and contact me after reading the policy thoroughly.
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Whip-lash
Kneel before me... for I am Root!


Joined: 20 Nov 2000
Posts: 562

PostPosted: Thu Jul 08, 2004 2:27 pm    Post subject: Reply with quote

Mike Regan wrote:
By what criteria will an offender be determined?

Most of the criteria is defined in the policy.

For example, an IP address that has sent up to 5 virus infected emails will just have SMTP blocked. They shouldn't be sending directly from their systems anyways (unless they actually intended on having a local SMTP server, but most cases it's actually a virus with it's own SMTP server or using your default in Outlook, OE, etc.), and should be sending through their ISP or company SMTP server. If the ISP or company SMTP server is allowing these messages to go through, then it's their responsibilty to monitor and clean messages going through their system.

Quote:
Will they be notified of this block or just kicked out without warning or explaination?

Unfortunately there is no real way to notify the offending address reliably. As far as people sending viruses, most messages contain forged From headers (among others). For those who have not been completely blocked, but can still get to port 80 (web server), they will have a message stating they have been blocked and the correct channels to possibly become unblocked.

Quote:
I have been getting a good deal of SPAM and most of it contains virus, to my Planetfurry address. All is spoofed senders. It has come from me to me, form Cateagle, from Maxx, from Nahima and even a good many from Webmaster at Planetfurry.

As far as spam is concerned, all messages, including inbound, outbound, and internal, are scanned for spam and virus signatures. 99.999% of the spam that you receive that has an @planetfurry.com address has been forged. The other 0.001% would likely be genuine but mistaken to be spam for various reasons.
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Gabriel
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Joined: 04 May 2004
Posts: 58
Location: USA

PostPosted: Thu Jul 08, 2004 7:58 pm    Post subject: Reply with quote

When I get mail marked {spam?} or {virus?} what am I supposed to do with it?

And, how can I take e-mail sent to the 'catch-all' address on my domain and have it nullified or auto-returned? Is there anything for that on the current server? ...Will there be anything on the new server you're putting together?

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Whip-lash
Kneel before me... for I am Root!


Joined: 20 Nov 2000
Posts: 562

PostPosted: Thu Jul 08, 2004 10:13 pm    Post subject: Reply with quote

Gabriel wrote:
When I get mail marked {spam?} or {virus?} what am I supposed to do with it?

If you receive a message that has the Subject prefixed with {Spam?}, {HighScoreSpam?}, or {Virus?}, chances are the message is safe. No single system is perfect, though, so that doesn't mean that you shouldn't perform your own antivirus scanning.

If you would like to report a possible problem, for example, if a virus or spam was received without an appropriate tag in the subject, or you are receiving multiple spam or virus infected messages that haven't been blocked yet, I will be posting a link to a form were you can appropriately report the problem.

Quote:
And, how can I take e-mail sent to the 'catch-all' address on my domain and have it nullified or auto-returned? Is there anything for that on the current server? ...Will there be anything on the new server you're putting together?

This is an admin issue, which isn't best to discuss on an open thread. I'll send you a private message concerning what you may want to try.
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Whip-lash
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PostPosted: Thu Jul 08, 2004 10:46 pm    Post subject: Reply with quote

Mike Regan wrote:
Sorry, I was not too clear on this. The "they" would be registered members of PF.

Not entirely. "They" could be literally anyone, including, but not limited to, Planetfurry members.

Quote:
I am not too savy on the methods used to find the offeneders. Myself I only know the address that the email SAYS it comes from. Knowing the so called senders I know that to be a lie though.

I am just concerned that since some have had my name on them that I will one morning find myself locked out of PF with no idea as to why.

Since most spam/viruses use false From fields, I will not be using this information at all, or basing any form of block on it. Other headers in the message, as well as email server logs, are use to determine what needs to be blocked.
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Whip-lash
Kneel before me... for I am Root!


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PostPosted: Fri Jul 09, 2004 1:26 am    Post subject: Example of Spam House Network Blocks Reply with quote

Chain SPAMMERS (1 references)
target prot opt source destination
DROP all -- 69.42.65.0/25 anywhere
DROP all -- 66.109.16.0/20 anywhere
DROP all -- 64.136.96.0/20 anywhere

-------

I have no sympathy for these poor, unfortunate advertisers.
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Tygon
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Joined: 03 Apr 2001
Posts: 2497
Location: Isernhagen, Lowersaxony, Germany

PostPosted: Fri Jul 09, 2004 3:01 am    Post subject: Reply with quote

Since a few days ago all mail I sent out from my PF mail account gets marked as spam... I checked my computer and it's clean. Could it be related to this blocking thing?
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Whip-lash
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PostPosted: Fri Jul 09, 2004 3:06 am    Post subject: Reply with quote

Tygon wrote:
Since a few days ago all mail I sent out from my PF mail account gets marked as spam... I checked my computer and it's clean. Could it be related to this blocking thing?

Partially. I just sent you an email concerning the problem. It looks like your your ISP's netblock is listed in several blacklists.
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Tygon
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PostPosted: Fri Jul 09, 2004 3:13 am    Post subject: Reply with quote

I see... well, I guess I'll have to call the Telekom and see what they say (for I only understand half of this...
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Whip-lash
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PostPosted: Fri Jul 09, 2004 3:28 am    Post subject: Reply with quote

Tygon wrote:
I see... well, I guess I'll have to call the Telekom and see what they say (for I only understand half of this...

I recommend you forward the link I sent you to your ISP, and explain to them their dial-up netblock is blacklisted, and that they need to contact those blacklist maintainers to be removed. You could probably contact the blacklist maintainers yourself, but they will likely as for the ISP to contact them.
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Whip-lash
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PostPosted: Sun Jul 11, 2004 1:33 am    Post subject: Reply with quote

*bump* The policy had a slight change. Please check it out. If you have any questions, please address them here.

In other notes, I'm working on a script to automate the blocking process. Right now everything that is blocked is done manually, which makes it impossible to have a decent response time after receiving a virus, spam, etc., and gets kind of old in the process. Once the script is done, I will let you know. If anyone is interested in seeing the script, let me know and I'll consider posting it here (without any information too dangerous to post in the public, of course).
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Tygon
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Joined: 03 Apr 2001
Posts: 2497
Location: Isernhagen, Lowersaxony, Germany

PostPosted: Sun Jul 11, 2004 3:39 am    Post subject: Reply with quote

on a side note, my email works again. it seems my dynamic IP shifted to one that is not on the blacklist.

I'll hopefully change my ISP soon, what will fix the problem permanently.

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TwylaFox
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Joined: 07 Dec 2010
Posts: 54
Location: BFE, Califorlornland

PostPosted: Mon Jan 03, 2011 1:37 am    Post subject: Reply with quote

I'm curious as to why I keep getting some sort of notice from here - starting today - saying that I have a virus. I've done several scans with different programs which find nothing, and have even done a system rollback to last week and still keep getting this notice.

Any idea what gives with this?

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Whip-lash
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PostPosted: Mon Jan 03, 2011 8:58 am    Post subject: Reply with quote

TwylaFox wrote:
I'm curious as to why I keep getting some sort of notice from here - starting today - saying that I have a virus. I've done several scans with different programs which find nothing, and have even done a system rollback to last week and still keep getting this notice.

Any idea what gives with this?


You wouldn't happen to have a screenshot or some other copy of the message stating you had a virus, would you? If it's states CloudFlare in the page, then it's picking up something from the public IP address you're coming from, or from the User Agent string your browser is sending. If it is something else, then I do not believe it is coming from us.
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TwylaFox
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Joined: 07 Dec 2010
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Location: BFE, Califorlornland

PostPosted: Tue Jan 04, 2011 12:57 am    Post subject: Reply with quote

Yep, it says CloudFlare at the bottom. Any idea how to keep it from doing this? My system can't get much cleaner.
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