Hi,
On a my qmailtoaster server i've several established connections to
192.175.48.6 and 192.175.48.42
[..]
udp 0 0 ipmyserver:61910 192.175.48.6:53
ESTABLISHED 5679/dnscache
udp 0 0 ipmyserver:14429 192.175.48.42:53
ESTABLISHED 5679/dnscache
udp 0 0 ipmyserver:2404 192.175.48.6:53
ESTABLISHED 5679/dnscache
udp 0 0 ipmyserver:44772 192.175.48.6:53
ESTABLISHED 5679/dnscache
udp 0 0 ipmyserver:19943 192.175.48.42:53
ESTABLISHED 5679/dnscache
udp 0 0 ipmyserver:13289 192.175.48.6:53
ESTABLISHED 5679/dnscache
udp 0 0 ipmyserver:63723 192.175.48.6:53
ESTABLISHED 5679/dnscache
udp 0 0 ipmyserver:35307 192.175.48.6:53
ESTABLISHED 5679/dnscache
[..]
These connection remain ESTABLISHED until i restart the services...
shortly thereafter reappear.
Is it normal they stay in ESTABLISHED STATE? Why qmailtoaster has needs
to contact these root servers? Is it a dns/spam attack?
Thank you
--
Michele
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