Forum Discussion
lardyboy_lardyb
Nimbostratus
Dec 15, 2004inserting client ip address into header when using SNAT
iRules novice here !!
I have a need to add the real client IP into the HTTP header when using a SNAT rule, but I need to do it dynamically. this is due to the upstream proxy using clie...
unRuleY_95363
Jan 19, 2005Historic F5 Account
Brian,
I have checked into the ISAPI plugin and no we don't currently have one that does what you are requesting. Here are my thoughts on it:
A) It is pretty much industry standard to use the header "X-Forwarded-For" to indicate the original client IP address. We have an attribute in the http profile that allows you to turn on automatic insertion of this header:
profile http myhttp insert xforwarded for enable
Most servers should have the ability to identify and log this header.
B) I'm quite sure NetScaler preserves the client IP address using the same mechanism (possibly even the X-Forwarded-For header). If you know the header that they use, then you could always configure the BigIP to use the same header and then simply (continue?) using the NetScaler plugin.
C) You could contact our professional services organization and they would be happy to work with you to develop such a plugin, it's quite easy for us to do.
Hope this helps.
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