Bug ID 564262: Network Access does not work if DNS cannot be resolved on client and PAC file contains DNS resolution code

Last Modified: Oct 07, 2023

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

Known Affected Versions:
11.4.1, 11.6.0, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
13.0.0, 12.1.0, 12.0.0 HF3, 11.6.1, 11.5.4 HF2

Opened: Dec 22, 2015

Severity: 3-Major

Related Article: K21518043

Symptoms

Tunnel server component of Edge client crashes, and user cannot establish VPN.

Impact

Tunnel server crashes and user cannot establish VPN.

Conditions

-DNS names cannot be resolved on client system. -PAC file used to determine proxy server uses JavaScript DNS resolution function.

Workaround

Enable DNS resolution on client or do not use DNS resolution JavaScript functions in PAC file.

Fix Information

Network Access now works as expected even when DNS cannot be resolved on client and PAC file contains DNS resolution code.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips