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From Heiko Baumann <>
Subject [users@httpd] RCP-over-HTTP and mod_proxy
Date Thu, 29 Sep 2005 19:30:11 GMT
Hi list,

i've tried to get rpc-over-http (outlook 2003) with apache2 and 
mod_proxy to work, with moderate results.

the connection often fails or reset. i've played around with different 
configs and different apache versions on my gentoo box. but no luck.

the config i've used is nearly the same as the one posted here
and at the end of the site i've posted the results of my testing.


    the2nd <> wrote:

i've tried this a few days ago and found out that the connection 
sometimes fails or get reset. while sniffing with ssldump i can see that 
the rpc_in_data/rpc_out_data "http" (header) requests are send in one 
tcp packet from the client to apache/mod_proxy but the outgoing traffic 
(from apache to rpc proxy) often is split into more smaller packets (one 
tcp packet per line). since the rpc traffic is binary data encapsulated 
in the http body i guess this is a problem!? i have not protocol design 
knowledge so maybe i am wrong. but there is a mod_proxy extension to get 
another binary protocol work with mod_proxy.
so maybe i am not wrong!?

btw. with squid in accel mode it works without this problems and 
sniffing with ssldump shows that squid does not change the packet size.

btw2. does anybody know if outlook 2003 is able to send a client 
certificate to authenicate to apache/squid/rpc-proxy whatever? and does 
anybody know if outlook is able to use a proxy with basic auth to 
connect to a rpc-proxy? this are 2 important features to make it a more 
secure and usefull solution. but hey, its M$ ;)


Thu 01 Sep 03:44:08 JST 2005

any help will be appreciated


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