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Re: Determining whether a TCP connection is up
From: |
Paul Eggert |
Subject: |
Re: Determining whether a TCP connection is up |
Date: |
Sat, 03 Aug 2013 07:09:47 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130623 Thunderbird/17.0.7 |
On 08/03/2013 05:30 AM, Lars Magne Ingebrigtsen wrote:
> Is there a general TCP way
> to probe for a connection? Can we (for instance) send a TCP KEEPALIVE
> once and see whether we get anything back within (say) a second?
I'm afraid not, since TCP keepalives won't work through proxies.
See, for example, the first FAQ in
http://www.proftpd.org/docs/howto/KeepAlives.html
- Determining whether a TCP connection is up, Lars Magne Ingebrigtsen, 2013/08/03
- Re: Determining whether a TCP connection is up,
Paul Eggert <=
- Re: Determining whether a TCP connection is up, Julien Danjou, 2013/08/03
- Re: Determining whether a TCP connection is up, Lars Magne Ingebrigtsen, 2013/08/04
- Re: Determining whether a TCP connection is up, Julien Danjou, 2013/08/05
- Re: Determining whether a TCP connection is up, Stefan Monnier, 2013/08/05
- Re: Determining whether a TCP connection is up, Thierry Volpiatto, 2013/08/05
- Re: Determining whether a TCP connection is up, Julien Danjou, 2013/08/05
- Re: Determining whether a TCP connection is up, Lars Magne Ingebrigtsen, 2013/08/05
- Re: Determining whether a TCP connection is up, Julien Danjou, 2013/08/06