diff options
Diffstat (limited to 'man7/unix.7')
| -rw-r--r-- | man7/unix.7 | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/man7/unix.7 b/man7/unix.7 index 804ed20cfb..5c9c1e89db 100644 --- a/man7/unix.7 +++ b/man7/unix.7 @@ -506,9 +506,13 @@ filesystem honor the permissions of the directory they are in. Creation of a new socket will fail if the process does not have write and search (execute) permission on the directory the socket is created in. -Connecting to a stream socket object requires write permission. -This behavior differs from many BSD-derived systems, -which ignore permissions for UNIX domain sockets. +On Linux, +connecting to a stream socket object requires write permission on that socket; +sending a datagram to a datagram socket likewise +requires write permission on that socket. +POSIX does not make any statement about the effect of the permissions +on a socket file, and on many systems (e.g., several BSD derivatives), +the socket permissions are ignored. Portable programs should not rely on this feature for security. |