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guerilla
n00b
Joined: 29 Dec 2003
Posts: 7
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 Posted: Mon Dec 19, 2005 6:04 am Post subject: ethernet card doesn't respond |
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I got a really weired problem: I have 2 ethernet cards in my machine and vsftp running. When I connect a laptop via crossover cable to one of them, I can ping the laptop from my box, no problem. But the other way around does not work: When I ping my box from my laptop, I can see packets being discarded by shorewall in the log. But there is no response to ping or ftp requests when I stop shorewall. ifconfig shows that I do receive traffic, though.
I checked network adresses quite a few times by now. Here's the info for one of the ethernet cards in my box
eth0 Protokoll:Ethernet Hardware Adresse xxx
inet Adresse:9.152.200.1 Bcast:9.152.200.127 Maske:255.255.255.128
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:74 errors:1 dropped:0 overruns:0 frame:0
TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
Kollisionen:0 Sendewarteschlangenlänge:1000
RX bytes:6600 (6.4 Kb) TX bytes:210 (210.0 b)
Interrupt:5 Basisadresse:0x9400
and here for the ethernet card in my laptop:
eth0 Link encap:Ethernet HWaddr xxx
inet adr:9.152.200.15 Bcast:9.152.200.127 Mask:255.255.255.128
inet6 addr: fe80::211:25ff:fe18:b09d/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3 errors:0 dropped:0 overruns:0 frame:0
TX packets:71 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:192 (192.0 b) TX bytes:6786 (6.6 KiB)
Interrupt:11
I had this configuration running a while ago. I the meantime, switched to kernel 2.6 and upgraded the Gentoo profile, but cannot tell when it stopped working.
To me, it looks like the box receives traffic but doesn't know how to handle it - could this be some kind of configuration problem?
What can this be??? |
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grunthus
Apprentice
Joined: 21 Apr 2005
Posts: 194
Location: Shetland UK
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| Posted: Mon Dec 19, 2005 12:51 pm Post subject: |
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This could well be your answer with shorewall:
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# FOR ADMINS THAT REPEATEDLY SHOOT THEMSELVES IN THE FOOT
#
# Normally, when a "shorewall stop" command is issued or an error occurs during
# the execution of another shorewall command, Shorewall puts the firewall into
# a state where only traffic to/from the hosts listed in
# /etc/shorewall/routestopped is accepted.
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The above paragraph is a good way down the file /etc/shorewall/shorewall.conf, about 29 page-downs in my aterm actually.
Sort out an entry in your /etc/shorewall/routestopped to correspond to the box that can't get in when shorewall is down
| Code: | | eth0 192.168.110.0/24 |
Maybe something like the above
HTH
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Read 'Free Software - Free Society' by RM Stallman |
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guerilla
n00b
Joined: 29 Dec 2003
Posts: 7
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| Posted: Mon Dec 19, 2005 7:32 pm Post subject: Solved!!! |
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| Brilliant, that solved it right away- thank you so much! |
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