Comcast blocking port 25? (not what you think)

[Jeff Kinz]

On Mon, May 10, 2004 at 09:45:05AM -0400, Travis Roy wrote:
> My parents use outlook and connect to my server. I allow the connection. 
> They don't run a server.
> 
> I just had another friend try to connect and he got thru also. Might be 
> a local thing. I had a friend that got his port 80 blocked (during that 
> big code red thing) and they never unblocked it on his segment. He 
> called and called but they refused to unblock it for him yet everybody 
> else was unblocked.

Trav - acces to p 25 on scootz.net looks just fine from here 

telnetting from kinz.org (DHCP pool on comcast) to port 25 worked just
fine

Also - telnetting in from a static IP in CT on SBC to port 25 worked as well.


 telnet scootz.net 25
Trying 69.84.130.26...
Connected to scootz.net.
Escape character is '^]'.
220 scootz.net ESMTP Sendmail 8.12.8/8.12.8; Mon, 10 May 2004 09:54:22 -0400
quit
221 2.0.0 scootz.net closing connection
Connection closed by foreign host.

// traceroute from SBC location:

 traceroute scootz.net
traceroute to scootz.net (69.84.130.26), 30 hops max, 38 byte packets
 1  192.168.5.1 (192.168.5.1)  1.153 ms  1.060 ms  0.999 ms
 2  bras1-l0.mrdnct.snet.net (204.60.4.34)  27.659 ms  15.924 ms  18.960 ms
 3  dist2-vlan60.mrdnct.sbcglobal.net (66.159.184.227)  22.440 ms 21.193 ms  19.895 ms
 4  bb1-g6-0.mrdnct.sbcglobal.net (66.159.184.115)  21.502 ms  19.073 ms 16.356 ms
 5  bb1-p9-0.nycmny.sbcglobal.net (151.164.241.69)  25.925 ms  22.940 ms 22.147 ms
 6  bb1-p9-0.pxnyny.sbcglobal.net (151.164.189.62)  26.375 ms  21.271 ms 21.194 ms
 7  asn3561-cwusa.pxnyny.sbcglobal.net (151.164.248.82)  24.945 ms 22.940 ms  22.298 ms
 8  agr3-loopback.NewYork.savvis.net (206.24.194.103)  25.831 ms agr4-loopback.NewYork.savvis.net (206.24.194.104)  22.397 ms  21.820 ms 
 9  dcr1-so-6-2-0.NewYork.savvis.net (206.24.207.57)  24.906 ms dcr2-so-7-3-0.NewYork.savvis.net (206.24.207.205)  22.378 ms dcr2-so-6-2-0.NewYork.savvis.net (206.24.207.185)  21.624 ms
10  acr1-loopback.Boston.savvis.net (208.172.50.61)  31.494 ms  30.481 ms  27.112 ms
11  208.172.51.54 (208.172.51.54)  48.265 ms  47.336 ms  42.689 ms
12  internap.Boston.savvis.net (208.172.49.138)  36.530 ms  33.408 ms 33.190 ms
13  border3.ge0-0-bbnet1.bsn.pnap.net (63.251.128.7)  35.139 ms  35.159 ms  33.096 ms
14  dreamcom-2.border3.bsn.pnap.net (66.151.179.102)  37.016 ms  33.538 ms  34.566 ms
15  66.151.189.2-rev.colospace.com (66.151.189.2)  125.296 ms  128.668 ms  139.889 ms
16  man-colo-core-02-s1-1-0.man.colospace.net (63.251.138.250)  39.467 ms  38.094 ms  35.867 ms
17  scootz.net (69.84.130.26)  39.259 ms  33.721 ms  33.491 ms

-- 
Jeff Kinz, Open-PC, Emergent Research,  Hudson, MA.  
"jkinz at kinz.org" is copyright 2003.  
Use is restricted. Any use is an acceptance of the offer at
http://www.kinz.org/policy.html.