rlm_ldap & TCP KeepAlive

Alan DeKok aland at deployingradius.com
Fri Apr 30 11:56:25 CEST 2010

Fred MAISON wrote:
> Some stateful equipments like firewall or load-balancers tends to drop
> long-time idle tcp session to protect their session tables.
> To keep idle tcp session active and avoid this kind of deconnections, I
> found it could be useful to be able to configure TCP KeepAlive from
> rlm_ldap config file, exposing TCP KeepAlive options available in
> Openldap libraries to rlm_ldap config file :


> Unfortunately, as Redhat released his 5.5, I don't have anymore access
> to jdennis binary repository, so I am in trouble to recompile 2.1.8 for
> CentOS 5.4 on x86_64.
> I have tried to recompile freeradius 2.1.8 with this patch from
> fedoraproject cvs sources, but I don't know how to integrate this patch
> in the source tree.

  Use the "patch" program:

$ hg diff > patch
$ cd src/modules/rlm_ldap
$ patch -p1 < ../../patch

  Then build it.

  This can be done after the "configure" stage.

> Once validated, could this kind of code be integrated in a future
> release ?

  Yes.  John has a number of LDAP patches pending.

  Alan DeKok.

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