Date: Wed, 2 Jul 2003 15:04:51 +0200 From: Christian Stigen Larsen <csl@sublevel3.org> To: freebsd-questions@freebsd.org Subject: Re: ssh keepalives Message-ID: <20030702130451.GA1034@sublevel3.org> In-Reply-To: <Pine.LNX.4.44.0307020715270.2161-100000@localhost.localdomain> References: <Pine.LNX.4.44.0307020715270.2161-100000@localhost.localdomain>
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Quoting Steve Coile (scoile@nandomedia.com): | On Tue, 1 Jul 2003, Philip J. Koenig wrote: | > I'm having a problem with premature termination of ssh sessions [...] | | Is this a common problem with firewalls? We suffer from this problem | here, also, and I've thought it must be a misconfiguration with the | firewall or elsewhere in the netwrok. But since you mentioend it, | I'm rethinking my assessment. As Michal F. Hanula, it might be due to the firewall dropping idle TCP connections. At work I use PuTTY (http://www.chiark.greenend.org.uk/~sgtatham/putty/) for my outbound ssh sessions, and it supports a useful option: "Sending of null packets to keep session active" Settings this to, say, 60 seconds effectively prevents my sessions from being cut off. Unfortunately I haven't found any similar feature in the OpenSSH clients. Do they support such a feature? -- Christian Stigen Larsen -- http://csl.sublevel3.org -- mob: +47 98 22 02 15
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