udp port 3337
This is a discussion on udp port 3337 within the Linux Security forums, part of the System Security and Security Related category; When I go online with my new ADSL internet link, it often happens that my iptables firewall blocks about 2 ...
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01-19-2004
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udp port 3337
When I go online with my new ADSL internet link, it often happens that
my iptables firewall blocks about 2 kilobytes/sec of incoming traffic on udp port 3337 named "Direct TV Data Catalog". Can anybody tell me what service and software this might be? Since this is a lot of bandwidth I usually disconnect and reconnect with a different address. The packages look like this: 19:32:50.808401 211.23.143.205.imdocsvc > 217.235.196.83.directv-catlg: udp 18 0x0000 4500 002e 41cf 0000 7311 04cc d317 8fcd E...A...s....... 0x0010 d9eb c453 0a4d 0d09 001a 9731 e39a 87b2 ...S.M.....1.... 0x0020 aa35 0fb0 cfd3 76aa 8aed 2918 3057 .5....v...).0W 19:32:51.517154 140.117.160.162.19300 > 217.235.196.83.directv-catlg: udp 18 0x0000 4500 002e 7ee6 0000 6d11 0382 8c75 a0a2 E...~...m....u.. 0x0010 d9eb c453 4b64 0d09 001a c094 e39a 8109 ...SKd.......... 0x0020 7066 fd53 ce3a 2882 66ce bd5e 2e18 pf.S.:(.f..^.. ..... 
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01-19-2004
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Re: udp port 3337
> When I go online with my new ADSL internet link, it often happens that
> my iptables firewall blocks about 2 kilobytes/sec of incoming traffic > on udp port 3337 named "Direct TV Data Catalog". Can anybody tell me > what service and software this might be? Since this is a lot of > bandwidth I usually disconnect and reconnect with a different address. > > The packages look like this: > > 19:32:50.808401 211.23.143.205.imdocsvc > > 217.235.196.83.directv-catlg: udp 18 2 KBytes/sec is significant traffic. The IP address you showed, 211.23.143.205 is located in Taiwan Is your firewall configured to DROP or REJECT the packet? You should try REJECT since this will give the peer more feedback, and perhaps it will stop trying to send you data. -- Jem Berkes http://www.sysdesign.ca/
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01-20-2004
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Re: udp port 3337
Jem Berkes wrote: >>When I go online with my new ADSL internet link, it often happens that >>my iptables firewall blocks about 2 kilobytes/sec of incoming traffic >>on udp port 3337 named "Direct TV Data Catalog". Can anybody tell me >>what service and software this might be? Since this is a lot of >>bandwidth I usually disconnect and reconnect with a different address. >> >>The packages look like this: >> >>19:32:50.808401 211.23.143.205.imdocsvc > >>217.235.196.83.directv-catlg: udp 18 > > > 2 KBytes/sec is significant traffic. The IP address you showed, > 211.23.143.205 is located in Taiwan > > Is your firewall configured to DROP or REJECT the packet? You should try > REJECT since this will give the peer more feedback, and perhaps it will > stop trying to send you data. > I tried both DROP and REJECT. It made no difference.
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01-20-2004
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Re: udp port 3337
Jem Berkes wrote: >>When I go online with my new ADSL internet link, it often happens that >>my iptables firewall blocks about 2 kilobytes/sec of incoming traffic >>on udp port 3337 named "Direct TV Data Catalog". Can anybody tell me >>what service and software this might be? Since this is a lot of >>bandwidth I usually disconnect and reconnect with a different address. >> >>The packages look like this: >> >>19:32:50.808401 211.23.143.205.imdocsvc > >>217.235.196.83.directv-catlg: udp 18 > > > 2 KBytes/sec is significant traffic. The IP address you showed, > 211.23.143.205 is located in Taiwan > > Is your firewall configured to DROP or REJECT the packet? You should try > REJECT since this will give the peer more feedback, and perhaps it will > stop trying to send you data. > I tried both DROP and REJECT. It made no difference.
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