Bug ID 566908: Webserver listening on local Wifi or ethernet IP cannot be accessed after VPN with proxy.pac file

Last Modified: Jul 18, 2026

Affected Product(s):
BIG-IP APM(all modules)

Known Affected Versions:
11.5.1, 11.5.1 hf1, 11.5.1 hf2, 11.5.1 hf3, 11.5.1 hf4, 11.5.1 hf5, 11.5.1 hf6, 11.5.1 hf7, 11.5.1 hf8, 11.5.1 hf9, 11.5.1 hf10, 11.5.1 hf11, 11.5.2, 11.5.2 hf1, 11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4

Fixed In:
13.0.0, 12.1.0, 11.6.1

Opened: Jan 11, 2016

Severity: 3-Major

Related Article: K54435973

Symptoms

Webserver listening on local Wifi or ethernet IP cannot be accessed after VPN if proxy.pac is defined in a way that forwards all web traffic over VPN.

Impact

Local web server is inaccessible if proxy.pac is defined in a way that forwards all traffic over VPN to corporate proxy server.

Conditions

proxy.pac, network access, OS X system.

Workaround

None.

Fix Information

Webserver listening on local Wifi or Ethernet IP can be accessed after VPN even if proxy.pac is defined in a way that forwards all web traffic over VPN to corporate proxy server.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips