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Dear all,I would like to clarify the behavior of Cisco ESA devices regarding configuration synchronization when they are reconnected to a cluster after a successful upgrade.Assume we have seven ESA devices that we plan to upgrade over a two-week peri...
Dear all,We are in process of configuring external authentication using SAML and ADFS on ESA, but are having problems configuring IDP side. User guide for AsyncOS is pretty vague in that part, with sample custom rule returning error (it is obvious wh...
Thumbs up! That's a pretty good solution if you only have problems with senders from specific domains and do not have any complicated policy setup. Same/similar bug is also tracked here: https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx34718 I can...
Actually, I don't think that single message header size limits are defined in RFC? There ought to exist some limit, and Microsoft decided that for Exchange Server 2016 that limit will be 32KB per single header. We are seeing Ironport-PHdr headers tha...
We are probably seeing the same problem. Our Cisco ESA 13.5.1-277 receives an e-mail with long list of recipients in To:/Cc: headers, and adds an really long IronPort-PHdr header. Next-hop Postfix based device successfully receives e-mail from ESA, b...
