Hi, does anyone know how to tell the number of silently dropped connections because DHAP threshold was reached (for the hour)?
Because lately, we've been getting so many invalid recipients from google.com, and I'm a bit worried that some legitimate emails are not getting through because of DHAP and having the option "drop connection if DHAP threashold is reached" in the SMTP conversation enabled.
I check in the GUI (Ironport C100 ver 4.7) "Rejected Connections" for google.com, and there are 0 rejected connections. Are silent drops due to DHAP counted as connection rejections or not?
Re: How to tell number of silent drops due to DHAP?
Most of this information should be contained in the mail logs. I would recommend getting the mail logs and grepping for string 'dhap_limit'. You can refine the grep search to search for data within a specific hour.
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...