IP_BLOCK_SOURCE(2const) IP_BLOCK_SOURCE(2const)

IP_BLOCK_SOURCE - stop receiving multicast data from a specific source in a given group

Standard C library (libc-lc)

#include <netinet/in.h>  /* Definition of IP* constants */
#include <sys/socket.h>
int setsockopt(int sockfd, IPPROTO_IP, IP_BLOCK_SOURCE,
               const struct ip_mreq_source *val,
               sizeof(struct ip_mreq_source));

Stop receiving multicast data from a specific source in a given group.

This is valid only after the application has subscribed to the multicast group using either IP_ADD_MEMBERSHIP(2const) or IP_ADD_SOURCE_MEMBERSHIP(2const).

See IPPROTO_IP(2const). See setsockopt(2). See ip(7).

Linux 2.4.22, Linux 2.5.68.

IPPROTO_IP(2const), ip_mreq_source(2type), setsockopt(2), ip(7)

2025-11-25 Linux man-pages 6.17