Since the release of this cvar I have to set it every time I launch the game, because it doesn't save to config.cfg.
I've tested this in every GoldSrc game.
] version
Protocol version 48
Exe version 1.1.2.2/Stdio (valve)
Exe build: 13:14:12 Aug 29 2013 (6153)
Yes, this is by design, so that you cannot have a poisoned value set. Add "+cl_filterstuffcmd 1" to your launch options in Steam or put it in an autoexec.cfg.
Since the release of this cvar I have to set it every time I launch the game, because it doesn't save to config.cfg. I've tested this in every GoldSrc game.
] version Protocol version 48 Exe version 1.1.2.2/Stdio (valve) Exe build: 13:14:12 Aug 29 2013 (6153)