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landon Apprentice
Joined: 09 Mar 2004 Posts: 159
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Posted: Wed Jan 19, 2005 3:29 pm Post subject: Is Ident required? If so, is a fake daemon preferable? |
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Basically as the title suggests.
Does the absence of Ident result in delayed connections to ftp, or irc?
I've seen several articles on using a fake daemon, but at the same time, I've also seen exploit warnings on a lot of the ones suggested.
What should I consider? |
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adaptr Watchman
Joined: 06 Oct 2002 Posts: 6730 Location: Rotterdam, Netherlands
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Posted: Wed Jan 19, 2005 3:33 pm Post subject: |
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Yes, the absence of an identd on port 113 may delay or even fault many network protocols, including SMTP, FTP and IRC.
This will vary from server to server; whether or not to insist on ident responses is usually configurable since not many people use them anymore because they are so easily faked.
Running a fake identd should do fine; it doesn't really matter what the response is. _________________ >>> emerge (3 of 7) mcse/70-293 to /
Essential tools: gentoolkit eix profuse screen |
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landon Apprentice
Joined: 09 Mar 2004 Posts: 159
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Posted: Wed Jan 19, 2005 3:43 pm Post subject: |
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Can you recommend any in particular? Or a list of a few? |
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adaptr Watchman
Joined: 06 Oct 2002 Posts: 6730 Location: Rotterdam, Netherlands
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Posted: Wed Jan 19, 2005 3:47 pm Post subject: |
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Erm... emerge -s identd ?
Gives me 6 results, 1 masked.
But it may be a lot easier to sidestep the problem, in one of 2 ways:
- set up which ever router handles your internet connection to provide the response, or
- configure a firewall to actually close port 113, that should give the requestor the heads up that waiting for a timeout is rather stupid... _________________ >>> emerge (3 of 7) mcse/70-293 to /
Essential tools: gentoolkit eix profuse screen |
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Robin79 l33t
Joined: 18 Oct 2003 Posts: 632 Location: /home/valdemarsvik
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Posted: Wed Jun 15, 2005 6:01 pm Post subject: |
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So does this work on ftps? i use pftpfxp _________________ Gentoo 2005.0
ASUS P5AD2 Deluxe MB
Intel P4 3.2GHz
PCI-E Nvidia Geforce PCX 5750
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Registered Linux User Nr # 319050 http://counter.li.org |
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