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Groups > comp.os.linux.networking > #3060
| From | Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> |
|---|---|
| Newsgroups | comp.os.linux.networking |
| Subject | Re: Totally stuck --> UDP packets refused |
| Date | 2014-08-29 01:05 +0200 |
| Organization | Plouf ! |
| Message-ID | <ltocjj$cke$1@saria.nerim.net> (permalink) |
| References | <l96vv95d94s962th8jet42pmqsbovjegsv@4ax.com> <slrnlvvc06.1ks.grahn+nntp@frailea.sa.invalid> |
Jorgen Grahn a écrit : >> >> # tcpdump host 192.168.1.246 >> 23:01:02.112832 IP zon.57758 > ics1000.9760: UDP, length 11 >> 23:01:02.221171 IP ics1000.9760 > zon.9761: UDP, length 8 >> 23:01:02.221196 IP zon > ics1000: ICMP zon udp port 9761 unreachable, >> >> aha, unreachable... >> >> So my thought was: FIREWALL. So I added 9761 UDP to iptables > > The more likely explanation is that noone is listening on zon.9761 > (or *.9761). I agree. "Port unreachable" is the ICMP type/code generated by the UDP stack when nothing listens on the destination port. The REJECT rule at the end of the INPUT chain in the iptables ruleset would have generated a "host prohibited" ICMP type/code.
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Totally stuck --> UDP packets refused Palmisano <xspalm1@hotmail.com> - 2014-08-28 23:18 +0200
Re: Totally stuck --> UDP packets refused Jorgen Grahn <grahn+nntp@snipabacken.se> - 2014-08-28 22:41 +0000
Re: Totally stuck --> UDP packets refused Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2014-08-29 01:05 +0200
Re: Totally stuck --> UDP packets refused Palmisano <xspalm1@hotmail.com> - 2014-08-29 21:20 +0200
Re: Totally stuck --> UDP packets refused Jorgen Grahn <grahn+nntp@snipabacken.se> - 2014-08-30 05:14 +0000
Re: Totally stuck --> UDP packets refused Palmisano <xspalm1@hotmail.com> - 2014-08-30 14:14 +0200
Re: Totally stuck --> UDP packets refused Jorgen Grahn <grahn+nntp@snipabacken.se> - 2014-08-30 14:15 +0000
Re: Totally stuck --> UDP packets refused Palmisano <xspalm1@hotmail.com> - 2014-08-31 14:52 +0200
Re: Totally stuck --> UDP packets refused Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2014-08-30 14:52 +0200
Re: Totally stuck --> UDP packets refused Jorgen Grahn <grahn+nntp@snipabacken.se> - 2014-08-30 14:09 +0000
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