--- a/src/init.c.orig 2016-12-08 13:23:17.386891467 +0800 +++ b/src/init.c 2016-12-08 13:23:20.850892551 +0800 @@ -121,7 +121,7 @@ pcap_t *capture_init(char *capture_sourc pcap_t *handle = NULL; char errbuf[PCAP_ERRBUF_SIZE] = { 0 }; - handle = pcap_open_live(capture_source, BUFSIZ, 1, 0, errbuf); + handle = pcap_open_live(capture_source, 65536, 1, 0, errbuf); if(!handle) { handle = pcap_open_offline(capture_source, errbuf);