exec - php can't execute any external command? -


we moved slackware centos here, working fine without notice, php stopped executing external calls such calls "wc" , "spamc". such calls appear on error_log as:

sh: /usr/bin/spamc: permission denied

the paths correct. have permissions set correctly , apache supposed able execute files no problem. we're not on safe_mode , not have base_dir set. not selinux, or @ least sestatus says selinux disabled.

summary:

  • php can't execute thru exec() or popen()
  • paths binaries correct.
  • we not in safe mode
  • we don't have base_dir set
  • permissions on binaries allow apache user execute them
  • selinux disabled
  • disable_functions in php.ini empty
  • we have no clue why doesn't work

php version 5.3.3 , centos 5.5

anyone has clue of might happening? in advance

selinux blocking attempts run them. recommend come rules allow run subset of external commands required , load module.


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