For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

george_daly_105's avatar
george_daly_105
Icon for Nimbostratus rankNimbostratus
Aug 30, 2007

Problem with iRule to reject mail based on SMTP response

Trying (and failing) to get this iRule working. The aim is that when a client connects and the server response contains (or starts with) 554 the BigIP sends a message back to the client and drops the...
application delivery
dev
devops
iRules
george_daly_105's avatar
george_daly_105
Icon for Nimbostratus rankNimbostratus
Aug 31, 2007
Ah I can see the log entries in /var/log/ltm, cool.

 

 

Looks like our SMTP servers are replying with their HELO banner and the 554 response isn't generated until after the client sends RCPT_TO, I'll play with the iRule and update when its working.