FortinetFortinet 12 FortiWeb 5.0 Patch 6 Administration Guide
Solutions by issue type........................................................................................ 640
Connectivity issues........................................................................................ 641
Checking hardware connections............................................................. 641
Examining the ARP table ......................................................................... 642
Checking routing...................................................................................... 642
Testing for connectivity with ping...................................................... 644
Testing routes & latency with traceroute ........................................... 648
Examining the routing table..................................................................... 651
Checking port assignments..................................................................... 652
Performing a packet trace........................................................................ 652
Debugging the packet processing flow................................................... 653
Checking the SSL/TLS handshake & encryption..................................... 653
Resource issues............................................................................................. 654
Killing system-intensive processes.......................................................... 654
Monitoring traffic load.............................................................................. 654
Preparing for attacks................................................................................ 655
Login issues................................................................................................... 655
Checking user authentication policies..................................................... 655
When an administrator account cannot log in from a specific IP............ 656
Remote authentication query failures...................................................... 656
Resetting passwords ............................................................................... 656
Data storage issues....................................................................................... 657
Bootup issues................................................................................................ 658
Hard disk corruption or failure................................................................. 658
Power supply failure................................................................................. 660
Resetting the configuration.................................................................................. 662
Restoring firmware (“clean install”)...................................................................... 663
Appendix A: Port numbers........................................................................... 666Appendix B: Maximum configuration values............................................. 669
Maximum values on FortiWeb-VM ...................................................................... 669
Appendix C: Supported RFCs, W3C, & IEEE standards............................ 671
RFCs.................................................................................................................... 671
W3C standards.................................................................................................... 671
IEEE standards .................................................................................................... 672
Appendix D: Regular expressions............................................................... 673
Regular expression syntax................................................................................... 673
What are back-references? ........................................................................... 678
Cookbook regular expressions............................................................................ 680
Language support................................................................................................ 682
Index.............................................................................................................. 684