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On Sat, Mar 22, 2008 at 11:16 PM, Dan Cowsill <danthehat@×××××.com> wrote: |
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> Hi folks, |
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> |
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> Today I had some really serious problems with my Gentoo router. I |
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> could ping it, and all the network connections were in place and |
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> functional, but no outside access. I looked into it and found that |
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> the syslog was flooded with this: |
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> |
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> |
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> Mar 22 21:25:55 localhost kernel: nf_conntrack: table full, dropping packet. |
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> Mar 22 21:26:00 localhost kernel: printk: 11 messages suppressed. |
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> Mar 22 21:26:00 localhost kernel: nf_conntrack: table full, dropping packet. |
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> Mar 22 21:26:05 localhost kernel: printk: 16 messages suppressed. |
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> |
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> |
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> These messages spanned a full 20 hours of the log. I understand that |
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> conntrack is the connection tracking system that iptables uses. I |
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> also understand that its maximum is something on the order of 65000 |
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> simultaneous connections. For a simple home network, I think we can |
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> agree that I would probably never approach this number of connections |
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> with normal use. |
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> |
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> So my question is this: what could have caused the router's |
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> connection tracker to overflow? |
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> -- |
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> Dan Cowsill |
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> http://www.danthehat.net |
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> -- |
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> gentoo-user@l.g.o mailing list |
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> |
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> |
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|
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What type of 'net services do you run between your home network and |
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the outside? Is there a possibility that someone out have put a denial |
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of service attack on you? |
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-- |
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gentoo-user@l.g.o mailing list |
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