samba_2_2 sambatest (security=server) and ldap performance

[Andrew Bartlett]

On Thu, Oct 31, 2002 at 11:33:15AM +0100, Ignacio Coupeau wrote:
> We have several samba printservers and fileservers with 
> "security=server" validating against several PDC with ldap (samba 2.2.6).
> 
> I found a lot of ldap request like:
> 	(uid=SAMBATESTPSERVER04)
> beating the ldap servers: one before *each* validation in every print 
> job or share session.
> 
> I found this is related with a security issue as Jeremy says in the
> server_validate() function.
> 
> To avoid this I tried to use security=domain because server_validate() 
> is called by check_server_security(), but our servers joined to the 
> domain-asigned likes very much ask to the neighborn PDC as 
> "security=server" than their domain-asigned-server (perhaps the 
> subneting, or so... is a big and complex network).
> 
> The question is if I can skip the code around 
> "if(!tested_password_server) {"
> to avoid the calls to ldap and if it is safe.
> 
> We are using only samba servers.

You could, but you really don't want to.  Security=server
is really nasty.  Fix whatever is causing Samba to pick the
wrong DC for secruity=domain.  You can still specify the
server to use.

Andrew Bartlett