Re: Interesting TCP issue

2007-01-22 Thread Uwe Doering
Steve Watt wrote: In [EMAIL PROTECTED], Julian Elischer wrote: [ Snip discussion of symptoms of window scaling broken when talking to at least the skype mail servers. ] we have seen this since 4.x I think a fix may be in 7.0 but I'm not sure.. I thin kthere is a problem when the far end sets

Re: Interesting TCP issue

2007-01-22 Thread Steve Watt
On Jan 22, 9:15, Uwe Doering wrote: } Subject: Re: Interesting TCP issue } Steve Watt wrote: } In [EMAIL PROTECTED], Julian Elischer wrote: } } [ Snip discussion of symptoms of window scaling broken when } talking to at least the skype mail servers. ] } } we have seen this since 4.x } I

Re: Interesting TCP issue

2007-01-20 Thread Steve Watt
In [EMAIL PROTECTED], Julian Elischer wrote: [ Snip discussion of symptoms of window scaling broken when talking to at least the skype mail servers. ] we have seen this since 4.x I think a fix may be in 7.0 but I'm not sure.. I thin kthere is a problem when the far end sets the window down to 1

Re: Interesting TCP issue

2007-01-02 Thread Steve Watt
On Jan 1, 23:56, Julian Elischer wrote: } Subject: Re: Interesting TCP issue } Steve Watt wrote: } One of my users is having trouble receiving mail from Skype. So, } after some sniffing, I discovered this: } } # tcpdump -vv -s 1500 -i dc0 -X net 213.244.128.0/18 } tcpdump: lestening on dc0

Re: Interesting TCP issue

2007-01-02 Thread Julian Elischer
Steve Watt wrote: One of my users is having trouble receiving mail from Skype. So, after some sniffing, I discovered this: # tcpdump -vv -s 1500 -i dc0 -X net 213.244.128.0/18 tcpdump: lestening on dc0, link-type EN10MB (Ethernet), capture size 1500 bytes 13:18:13.607493 IP (tos 0x20, ttl 58,

Re: Interesting TCP issue

2007-01-02 Thread Steve Watt
On Jan 2, 0:06, Steve Watt wrote: } Subject: Re: Interesting TCP issue } On Jan 1, 23:56, Julian Elischer wrote: } } Subject: Re: Interesting TCP issue } } Steve Watt wrote: } } One of my users is having trouble receiving mail from Skype. So, } } after some sniffing, I discovered

Re: Interesting TCP issue

2007-01-02 Thread Julian Elischer
Steve Watt wrote: On Jan 2, 0:06, Steve Watt wrote: } Subject: Re: Interesting TCP issue } On Jan 1, 23:56, Julian Elischer wrote: } } Subject: Re: Interesting TCP issue } } Steve Watt wrote: } } One of my users is having trouble receiving mail from Skype. So, } } after some sniffing, I

Interesting TCP issue

2007-01-01 Thread Steve Watt
One of my users is having trouble receiving mail from Skype. So, after some sniffing, I discovered this: # tcpdump -vv -s 1500 -i dc0 -X net 213.244.128.0/18 tcpdump: lestening on dc0, link-type EN10MB (Ethernet), capture size 1500 bytes 13:18:13.607493 IP (tos 0x20, ttl 58, id 12896, offset 0,

RE: Interesting TCP issue

2007-01-01 Thread David S. Madole
From Steve Watt on Monday, January 01, 2007 4:37 PM # tcpdump -vv -s 1500 -i dc0 -X net 213.244.128.0/18 tcpdump: lestening on dc0, link-type EN10MB (Ethernet), capture size 1500 bytes 13:18:13.607493 IP (tos 0x20, ttl 58, id 12896, offset 0, flags [DF], proto: TCP (6), length: 74)

Re: Interesting TCP issue

2007-01-01 Thread Steve Watt
In [EMAIL PROTECTED], [EMAIL PROTECTED] wrote: From Steve Watt on Monday, January 01, 2007 4:37 PM # tcpdump -vv -s 1500 -i dc0 -X net 213.244.128.0/18 [ snip ] Interesting. I presume it has something to do with the idiotically small window the remote server is advertising. So I set