module traefik_docker 1.0; require { type container_runtime_t; type container_t; type container_file_t; type container_var_run_t; class sock_file write; class unix_stream_socket connectto; } #============= container_t ============== #!!!! This avc is a constraint violation. You would need to modify the attributes of either the source or target types to allow this access. #Constraint rule: # mlsconstrain sock_file { ioctl read getattr } ((h1 dom h2 -Fail-) or (t1 != mcs_constrained_type -Fail-) ); Constraint DENIED mlsconstrain sock_file { write setattr } ((h1 dom h2 -Fail-) or (t1 != mcs_constrained_type -Fail-) ); Constraint DENIED mlsconstrain sock_file { relabelfrom } ((h1 dom h2 -Fail-) or (t1 != mcs_constrained_type -Fail-) ); Constraint DENIED mlsconstrain sock_file { create relabelto } ((h1 dom h2 -Fail-) or (t1 != mcs_constrained_type -Fail-) ); Constraint DENIED # Possible cause is the source level (s0:c487,c715) and target level (s0:c252,c259) are different. allow container_t container_file_t:sock_file write; allow container_t container_runtime_t:unix_stream_socket connectto; allow container_t container_var_run_t:sock_file write;