Is there any way to disable these (random?) UDP listening ports (47998|32542|14380|34448|45248|22313|26237|61057) or any downside to filtering them?
Roger # lsof | grep -w vscan | grep UDP COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME perl 79714 vscan 10u IPv4 0xfffff80164e96b40 0 UDP $amavis.ip:59511->$nameserver.ip:53 perl 79714 vscan 12u IPv4 0xfffff802071cb880 0 UDP *:47998->*:* perl 79715 vscan 10u IPv4 0xfffff8010be3c340 0 UDP $amavis.ip:43712->$nameserver.ip:53 perl 79715 vscan 11u IPv4 0xfffff80151d19dc0 0 UDP *:32542->*:* perl 79716 vscan 10u IPv4 0xfffff8005a7cb300 0 UDP $amavis.ip:49013->$nameserver.ip:53 perl 79716 vscan 12u IPv4 0xfffff800215cfac0 0 UDP *:14380->*:* perl 79717 vscan 10u IPv4 0xfffff8005a7cb140 0 UDP *:34448->*:* perl 79717 vscan 11u IPv4 0xfffff80336cb4f20 0 UDP $amavis.ip:21362->$nameserver.ip:53 perl 79718 vscan 10u IPv4 0xfffff8008a018c60 0 UDP *:45248->*:* perl 79718 vscan 11u IPv4 0xfffff800702ece40 0 UDP $amavis.ip:43194->$nameserver.ip:53 perl 79719 vscan 10u IPv4 0xfffff8010be3cdc0 0 UDP *:22313->*:* perl 79719 vscan 11u IPv4 0xfffff800da7546a0 0 UDP $amavis.ip:12460->$nameserver.ip:53 perl 79720 vscan 10u IPv4 0xfffff800702ec220 0 UDP *:26237->*:* perl 79720 vscan 11u IPv4 0xfffff800661973c0 0 UDP $amavis.ip:21489->$nameserver.ip:53 perl 79721 vscan 10u IPv4 0xfffff802d3897920 0 UDP *:61057->*:* perl 79721 vscan 11u IPv4 0xfffff80066197800 0 UDP $amavis.ip:43299->$nameserver.ip:53
