Hi everyone,

Last night I configured a new v6r1 machine to use SSL. I configured a 2048 bit key. Today x5250 fails to connect using SSL about 50% of the time. A tracefile shows that the certificate was successfully verified. However, soon after validating the certificate it appears that lib5250 simply drops the connection. The reason it appears this was is because the trace file is very short. Here it is in its entirety:

tn5250_ssl_stream_init() entered.
SSL Method = SSLv23_client_method()
tn5250_ssl_stream_init() success.
tn5250_ssl_stream_connect() entered.
Connected with SSL
Using AES128-SHA cipher with a 128 bit secret key
SSL Certificate issued by: (I cut this stuff out from the trace)
SSL Certificate successfully verified!
SSL must be Non-Blocking
tn5250_ssl_stream_connect() success.
tn5250_dbuffer_clear_table() entered.
tn5250_char_map_new: map = "37"
Macro: fname=/home/james/.tn5250macros

I'll try and do some debugging on this later, but I wanted to check if anyone has had a similiar problem with v6r1 or not before I spent too much time on this. This problem occurs whether I'm on the local LAN or outside the firewall, so it doesn't appear to be related to network configuration issues. The really strange part is that it fails like this about half the time. Non-SSL connections always work perfectly. Ideas?

James Rich

if you want to understand why that is, there are many good books on
the design of operating systems. please pass them along to redmond
when you're done reading them :)
- Paul Davis on ardour-dev

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