I'm hoping somebody can help me solve this problem that's been bugging for weeks. We recently implemented a double-layer firewall architecture. Before that, our users can access RDP via port forwarding on WebVPN or the Cisco VPN client without any problems.
After we implemented the double-layer firewall architecture, users who are going through the WebVPN and port forwarding for RDP began to experience frequent disconnections, slowness or freezing connections. The users who are using the client are fine.
I checked the logs and I'm getting repetitive TCP-O for the port forwarding connections for RDP. Additional information: the FW we installed as a 2nd layer is Netscreen. I've already set the policy on it to Any-Any for the meantime to help in troubleshooting but to no avail.
I hope somebody can help me in sorting this out as I'm kind of confused on the difference between the port-forwarding for RDP via the WebVPN and the normal RDP via the client.
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...