The ISA Firewall's RPC filter is one of the nice differentiators that makes the ISA Firewall most secure and more flexible than just about any other firewall on the market today. However, there are some scenarios where that RPC filter can drive you crazy! For example, have you ever tried to use the Certificates MMC from the ISA Firewall to obtain a Computer Certificate from your online enterprise CA? If so, then you know what I mean.
The ISA Team has come to rescue you from your RPC protocol woes (which would include backup agents too!). Head on over the ISA Firewall Team Blog at: