Re: socket trace

[thomas@xxxxxxxxxxx]

You apparently got this working okay, but two alternatives that weren't 
mentioned might be useful to others.

First, OpsNav Network>IP Security allows journaling of selected TCP/IP traffic. 
For some uses, this _might_ be sufficient. But make sure you have a non-TCP/IP 
connection available before playing too much so you can run the RMVTCPTBL 
*IPFTR command if you lock yourself out. (Hard-earned lesson. Last time I dug 
there, the default filter rule was a generic DENY. Once you establish 
filtering, you need a catch-all rule at the bottom to allow everything you 
didn't explicitly DENY or allow otherwise everything else gets denied.)

Also, IBM Custom Technology Center provides their Duplex Socket Server 
client-side APIs for free (up to a few months ago at least). If pressed, they 
will also supply a limited subset of their server-side APIs that allow you to 
create a socket server suitable for testing. Both sides include a trace option. 
If you need quick prototypes, these APIs are great; and the tracing can tell 
you a lot. The APIs are supplied both OPM and ILE making them available even to 
CLPs.

Tom Liotta

On Mon, 26 March 2001, Gene_Gaunt@ReviewWorks.com wrote:

> 
> Is it possible to trace data that flows through a socket?  I'd like to see
> the 'Bytes out' and 'Bytes in' behind NETSTAT option 3,

-- 

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