-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Nishikant Kapoor writes:
[...] > So, you are able to do a 'telnet mail.channelorama.com 25' from your > host? If so, it sure seems to be blocking my host. traceroute fails to > find 'mail.channelorama.com' but tracepath can find it...in a pretty > long path. Yes, I'm able to telnet to port 25. > [r...@nkapoorgw]# traceroute6 mail.channelorama.com > traceroute: unknown host mail.channelorama.com thats because you're using traceroute6 which is looking for AAAA records. Use tcptraceroute[1] to figure out which host drops the packet. > [r...@nkapoorgw]# tracepath mail.channelorama.com > 1: 192.168.1.66 (192.168.1.66) 0.117ms pmtu 1500 > 1: home (192.168.1.254) 1.590ms > 1: home (192.168.1.254) 1.039ms > 2: 99-188-240-3.lightspeed.sndgca.sbcglobal.net (99.188.240.3) 3.961ms > 3: 75.20.64.10 (75.20.64.10) 24.196ms > 4: no reply > 5: 75.20.78.10 (75.20.78.10) 26.285ms > 6: bb2-g14-0.sndg02.sbcglobal.net (151.164.42.192) 22.876ms > 7: 151.164.98.61 (151.164.98.61) 28.373ms asymm 9 > 8: te-3-4.car3.LosAngeles1.Level3.net (4.68.110.113) 27.721ms asymm 10 > 9: ae-72-70.ebr2.LosAngeles1.Level3.net (4.69.144.115) 28.684ms asymm > 10: ae-2-2.ebr2.SanJose1.Level3.net (4.69.132.13) 44.125ms asymm 13 > 11: ae-3-3.ebr1.Denver1.Level3.net (4.69.132.58) 72.186ms asymm 15 > 12: ae-1-100.ebr2.Denver1.Level3.net (4.69.132.38) 83.939ms asymm 14 > 13: ae-3-3.ebr1.Chicago2.Level3.net (4.69.132.62) 83.442ms asymm 9 > 14: ae-6-6.ebr1.Chicago1.Level3.net (4.69.140.189) 84.020ms asymm 16 > 15: ae-1-100.ebr2.Chicago1.Level3.net (4.69.132.42) 89.428ms asymm 16 > 16: ae-8-8.car1.Detroit1.Level3.net (4.69.133.241) 89.135ms > 17: ae-11-11.car2.Detroit1.Level3.net (4.69.133.246) 89.274ms asymm 16 > 18: INTERNET-12.car2.Detroit1.Level3.net (4.53.74.54) 89.312ms asymm 16 > 19: 209-124-54-122.static.123.net (209.124.54.122) 89.286ms asymm 17 > 20: a2vps4.a2hosting.com (74.126.19.245) 90.248ms asymm 15 > 21: 74.126.19.227.static.a2webhosting.com (74.126.19.227) 89.720ms reached > Resume: pmtu 1500 hops 21 back 50 A Google search[2] reveals, AT&T does that. References: [1] http://www.google.com/search?q=tcptraceroute [2] http://www.google.com/search?q=AT%26T+sbc+blocking+port+25 HTH - -- Ashish SHUKLA | GPG: F682 CDCC 39DC 0FEA E116 20B6 C746 CFA9 E74F A4B0 freebsd.org!ashish | http://people.freebsd.org/~ashish/ “A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away.” (Antoine de Saint-Exupéry) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.15 (GNU/Linux) iQIcBAEBCgAGBQJMNQSvAAoJEMdGz6nnT6SwS2MQAKMWFLiDVwrxpAnZqrmGEvvQ toQK/Uxqz31u591FGY09JJI9aknqb/irhjivUuicLcvPNY742zUQ1sMk9K+oakE/ 5w7oA91BcYaaSO5vtbornohGjYFVhg09UTaa29feL2AYeDoU0+WtcRBjHoyAnvHk z7C9WVBoknc96h6iGBpMHvtjkJ7tEs9DUYuKErWrLvbtyaNKDzW5sRggn1/mBNc5 40rybhCAv1oVpRbJdkX8E1eAUw3w8iBuMYHj3r74BmrczQBPdZllKRfoMEW/csV4 4ROlea/X160MI/w0Mkp0xRed7yt6N6ou/qws7NepfMkIaTsq25UWrhatdT9QEEvP z/p32Ljn1jXU/RvbxjJhVZ2Hb08dlY+7Rc0jWGMZJoSDpGaZCCgGD3eZ6YdNLv9b HFAFoi6bxF6jKIk20MA7fxbGXesKKVuZ5Ujrkf8sGJHwZms9qf7u8YzuylSVtewC Ch4NazS7st7BHle0eyndF8z5TPtxFmtCCkQYyHM0hIxdmErMfu0LlHHLp6Vy2bME sAy3ZB6cV3b8lE8uOwCvJ7kfWRikA6sc1RkORsv4hyMSMnVbV+uRwPL7zy9i+DGj SBPczquq2KfK32OnSeNZHb95J10C6xzepMtX0nAR2rWhRzcnN6C1dU3PdA1ALWbN QQsR3MIkEwLyOEKhY9eA =9QyL -----END PGP SIGNATURE----- _______________________________________________ Ilugd mailing list Ilugd@lists.linux-delhi.org http://frodo.hserus.net/mailman/listinfo/ilugd
