dcc not working

Gary McLean Gary.McLean@instinet.co.uk
Fri Jun 1 11:09:09 UTC 2007


Hi Rob,

I think your TCPDUMP Proves otherwise. Inbound is not needed unless your 
running a public DCC Server, only outbound is, but your not getting any 
response. Id double check this.

Gary



"Robert Welz"  
Sent by: dcc-admin@rhyolite.com
01/06/2007 11:25

To
"Gary McLean" <Gary.McLean@instinet.co.uk>
cc
"Robert Welz" <welz@fixe-post.de>, dcc@rhyolite.com, 
dcc-admin@rhyolite.com
Subject
Re: dcc not working






Am Fr, 1.06.2007, 11:46, schrieb Gary McLean:
> Hey Rob,
>
>
> This may be a stupid question but a starting point, but is the UDP Port
> 6277 open outbound on your firewall?

Yes, it is. I just verified that it is opened both inbound and outbound.

Do I have to reset dcc somehow? dcc tells me that it is waiting 1200
seconds before next attempt.

Thx,
Robert





> As you see on my mail server, you get a UDP Packet back.
>
>
> [root@bstpmail01 ~]# tcpdump port 6277
> tcpdump: verbose output suppressed, use -v or -vv for full protocol 
decode
>  listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
> 10:43:16.686540 IP bstpmail01.instinet.co.uk.43155 >
> birubiru.to.infn.it.6277: UDP, length 206
> 10:43:16.805724 IP birubiru.to.infn.it.6277 >
> bstpmail01.instinet.co.uk.43155: UDP, length 112
>
>
> Gary
>
>
>
>
> "Robert Welz"
> Sent by: dcc-admin@rhyolite.com
> 01/06/2007 10:26
>
>
> To
> dcc@rhyolite.com cc
>
> Subject
> dcc not working
>
>
>
>
>
>
> Hello!
>
>
> I can't get dcc working. My email traffic is at about 3500 email/day so 
I
>  choose the list as a last mean seeking for help.
>
> Can you help please, maybe I am blocked upstream somehow?
>
>
> Greetings,
> Robert
>
>
>
> I can see outgoing traffic from my gateway but no answer packets:
>
>
> tcpdump -i ppp0 port not 25 and port not 80 and port not 22 and port not
> 53 and port not 37 and port not 123
>
>
> 14:24:48.753740 IP LB-F1.DTAG.DE > www.fixe-post.de: ICMP LB-
> F1.DTAG.DE udp port domain unreachable, length 36
> 14:28:34.561453 IP Nausciaa.fixe-post.de.36172 > dcc.dmz.uncw.edu.
> 6277: UDP, length 40
> 14:28:34.561487 IP Nausciaa.fixe-post.de.36172 > samantha.wu-
> wien.ac.at.6277: UDP, length 40
> 14:28:34.561671 IP Nausciaa.fixe-post.de.36172 > avas.cnc.bc.ca.6277:
> UDP, length 40
> 14:28:34.561793 IP Nausciaa.fixe-post.de.36172 > mgw-cl-2.dmv.com.
> 6277: UDP, length 40
> 14:28:34.561920 IP Nausciaa.fixe-post.de.36172 > dcc-
> ns-001.ironhillhardware.com.6277: UDP, length 40
> 14:28:34.562044 IP Nausciaa.fixe-post.de.36172 >
> eth0.c.spam.sonic.net.6277: UDP, length 40
> 14:28:34.562169 IP Nausciaa.fixe-post.de.36172 > z.dcc-servers.net.
> 6277: UDP, length 40
> 14:28:34.562296 IP Nausciaa.fixe-post.de.36172 > dcc-
> ns-000.ironhillhardware.com.6277: UDP, length 40
> 14:28:34.562547 IP Nausciaa.fixe-post.de.36172 > 194.228.41.13.6277:
> UDP, length 40
> 14:28:34.562571 IP Nausciaa.fixe-post.de.36172 >
> eth0.d.spam.sonic.net.6277: UDP, length 40
> 14:28:34.562796 IP Nausciaa.fixe-post.de.36172 > urts102.uni-trier.de.
> 6277: UDP, length 40
> 14:28:34.918985 IP Nausciaa.fixe-post.de.36172 > dcc.dmz.uncw.edu.
> 6277: UDP, length 40
> 14:28:34.919019 IP Nausciaa.fixe-post.de.36172 > samantha.wu-
> wien.ac.at.6277: UDP, length 40
> 14:28:34.919039 IP Nausciaa.fixe-post.de.36172 > avas.cnc.bc.ca.6277:
> UDP, length 40
> 14:28:34.919058 IP Nausciaa.fixe-post.de.36172 > mgw-cl-2.dmv.com.
> 6277: UDP, length 40
> 14:28:34.919077 IP Nausciaa.fixe-post.de.36172 > dcc-
> ns-001.ironhillhardware.com.6277: UDP, length 40
> 14:28:34.919099 IP Nausciaa.fixe-post.de.36172 >
> eth0.c.spam.sonic.net.6277: UDP, length 40
> 14:28:34.919121 IP Nausciaa.fixe-post.de.36172 > z.dcc-servers.net.
> 6277: UDP, length 40
> 14:28:34.919142 IP Nausciaa.fixe-post.de.36172 > dcc-
> ns-000.ironhillhardware.com.6277: UDP, length 40
> 14:28:34.919161 IP Nausciaa.fixe-post.de.36172 > 194.228.41.13.6277:
> UDP, length 40
> 14:28:34.919196 IP Nausciaa.fixe-post.de.36172 >
> eth0.d.spam.sonic.net.6277: UDP, length 40
> 14:28:34.919297 IP Nausciaa.fixe-post.de.36172 > urts102.uni-trier.de.
> 6277: UDP, length 40
> 14:28:35.519030 IP Nausciaa.fixe-post.de.36172 > dcc.dmz.uncw.edu.
> 6277: UDP, length 40
> 14:28:35.519058 IP Nausciaa.fixe-post.de.36172 > samantha.wu-
> wien.ac.at.6277: UDP, length 40
> 14:28:35.519079 IP Nausciaa.fixe-post.de.36172 > avas.cnc.bc.ca.6277:
> UDP, length 40
> 14:28:35.519097 IP Nausciaa.fixe-post.de.36172 > mgw-cl-2.dmv.com.
> 6277: UDP, length 40
> 14:28:35.519116 IP Nausciaa.fixe-post.de.36172 > dcc-
> ns-001.ironhillhardware.com.6277: UDP, length 40
> 14:28:35.519138 IP Nausciaa.fixe-post.de.36172 >
> eth0.c.spam.sonic.net.6277: UDP, length 40
> 14:28:35.519156 IP Nausciaa.fixe-post.de.36172 > z.dcc-servers.net.
> 6277: UDP, length 40
> 14:28:35.519175 IP Nausciaa.fixe-post.de.36172 > dcc-
> ns-000.ironhillhardware.com.6277: UDP, length 40
> 14:28:35.519218 IP Nausciaa.fixe-post.de.36172 > 194.228.41.13.6277:
> UDP, length 40
> 14:28:35.519292 IP Nausciaa.fixe-post.de.36172 >
> eth0.d.spam.sonic.net.6277: UDP, length 40
> 14:28:35.519310 IP Nausciaa.fixe-post.de.36172 > urts102.uni-trier.de.
> 6277: UDP, length 40
> 14:28:36.629060 IP Nausciaa.fixe-post.de.36172 > dcc.dmz.uncw.edu.
> 6277: UDP, length 40
> 14:28:36.629103 IP Nausciaa.fixe-post.de.36172 > samantha.wu-
> wien.ac.at.6277: UDP, length 40
> 14:28:36.629135 IP Nausciaa.fixe-post.de.36172 > avas.cnc.bc.ca.6277:
> UDP, length 40
> 14:28:36.629166 IP Nausciaa.fixe-post.de.36172 > mgw-cl-2.dmv.com.
> 6277: UDP, length 40
> 14:28:36.629214 IP Nausciaa.fixe-post.de.36172 > dcc-
> ns-001.ironhillhardware.com.6277: UDP, length 40
> 14:28:36.629245 IP Nausciaa.fixe-post.de.36172 >
> eth0.c.spam.sonic.net.6277: UDP, length 40
> 14:28:36.629291 IP Nausciaa.fixe-post.de.36172 > z.dcc-servers.net.
> 6277: UDP, length 40
> 14:28:36.629322 IP Nausciaa.fixe-post.de.36172 > dcc-
> ns-000.ironhillhardware.com.6277: UDP, length 40
> 14:28:36.629354 IP Nausciaa.fixe-post.de.36172 > 194.228.41.13.6277:
> UDP, length 40
> 14:28:36.629404 IP Nausciaa.fixe-post.de.36172 >
> eth0.d.spam.sonic.net.6277: UDP, length 40
> 14:28:36.629433 IP Nausciaa.fixe-post.de.36172 > urts102.uni-trier.de.
> 6277: UDP, length 40
>
>
>>>
> May 27 14:25:14 Nausciaa dccproc[4560]: continue not asking DCC 47
> seconds after failure May 27 14:28:38 Nausciaa dccproc[4569]: continue 
not
> asking DCC 2048 seconds after failure
>
>
>
> and cdcc info sagt mir Nausciaa log # cdcc info
> # 05/27/07 14:18:08 CEST  /var/dcc/map
> # Re-resolve names after 14:43:01
> # 12 total, 0 working servers
> # skipping asking DCC server 473 seconds more
> # 499 dccproc balance since 14:18:04
> IPv6 off
>
>
> dcc1.dcc-servers.net,-      RTT+1000 ms  anon #  137.208.8.26,-
> #      not answering
> #  142.27.70.214,-
> #      not answering
> #  152.20.253.5,-
> #      not answering
>
>
> dcc2.dcc-servers.net,-      RTT+1000 ms  anon #  209.34.225.42,-
> #      not answering
> #  216.240.97.12,-
> #      not answering
>
>
> dcc3.dcc-servers.net,-      RTT+1000 ms  anon #  64.124.52.232,-
> #      not answering
> #  208.201.249.233,-
> #      not answering
>
>
> dcc4.dcc-servers.net,-      RTT+1000 ms  anon #  194.228.41.13,-
> #      not answering
> #  216.134.200.215,-
> #      not answering
>
>
> dcc5.dcc-servers.net,-      RTT+1000 ms  anon #  136.199.199.102,-
> #      not answering
> #  208.201.249.232,-
> #      not answering
>
>
> 127.0.0.1,-                 RTT-1000 ms  32768 394941540y648
> #  127.0.0.1,-
> #      not answering
>
>
> ################
> # 05/27/07 14:18:08 CEST  GreyList /var/dcc/map
> # Re-resolve names after 16:11:26
> # 1 total, 0 working servers
> # skipping asking Greylist server 43 seconds more
>
>
> 127.0.0.1,-                 Greylist 32768 394941540y648
> #  127.0.0.1,6276
> #      not answering
>
>
>
>
>
>
>
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