Bug ID 973261: GTM HTTPS monitor w/ SSL cert fails to open connections to monitored objects

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP DNS, GTM, LTM(all modules)

Known Affected Versions:
14.1.3,, 14.1.4,, 15.1.2,, 15.1.3,

Fixed In:
16.1.0,, 15.1.4,,

Opened: Dec 11, 2020

Severity: 3-Major


Big3d does not try to open TCP connections if a HTTPS monitor contains a cert/key. /var/log/gtm shows: err big3d[19217]: 01333001:3: Start: SSL error:02001002:system library:fopen:No such file or directory err big3d[19217]: 01333001:3: Start: SSL error:20074002:BIO routines:FILE_CTRL:system lib err big3d[19217]: 01333001:3: Start: SSL error:140CE002:SSL routines:SSL_use_RSAPrivateKey_file:system lib err big3d[19217]: 01330014:3: CSSLSocket:: Unable to get the session.


Unable to use HTTPs monitor.


GTM HTTPS monitor with non-default cert/key.



Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips