Have Secureclient on workstation inside network trying to access a Checkpoint firewall through a PIX 515. I authenticate to Checkpoint firewall, but then cannot hit protected website. I've opened outside access list to esp protocol and port 500. Get error message Pix-3-305006: Regular translation creation failed for protocol 50 src 172.1.31.19 dst 208.129.19.194. Anyone run across this?