[vpsFree.cz: community-list] IPv6 problem with dovecot

[Wolf]

Ahoj,
mam trosku problem s Dovecot (a mozna i necim dalsim, nevim). Z nejakeho
duvodu si mysli, ze nemam IPv6 ve VPS.

	Jan 12 12:14:35 wolfsden systemd[1]: Binding to IPv6 address not available since kernel does not support IPv6.
	Jan 12 12:14:35 wolfsden systemd[1]: [/lib/systemd/system/dovecot.socket:8] Failed to parse address value, ignoring: [::]:143
	Jan 12 12:14:35 wolfsden systemd[1]: Binding to IPv6 address not available since kernel does not support IPv6.
	Jan 12 12:14:35 wolfsden systemd[1]: [/lib/systemd/system/dovecot.socket:10] Failed to parse address value, ignoring: [::]:993

Nicmene server ipv6 samozrejme ma

	root at wolfsden:/# ip addr
	1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 
		link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
		inet 127.0.0.1/8 scope host lo
		inet6 ::1/128 scope host 
		   valid_lft forever preferred_lft forever
	2: venet0: <BROADCAST,POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
		link/void 
		inet 127.0.0.2/32 scope host venet0
		inet 77.93.223.198/32 brd 77.93.223.198 scope global venet0:0
		inet6 2a01:430:17:1::ffff:96/128 scope global 
		   valid_lft forever preferred_lft forever
	3: gre0: <NOARP> mtu 1476 qdisc noop state DOWN 
		link/gre 0.0.0.0 brd 0.0.0.0
	4: gretap0: <BROADCAST,MULTICAST> mtu 1476 qdisc noop state DOWN qlen 1000
		link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff

Ping ven funguje

	root at wolfsden:/# ping6 ipv6.google.com
	PING ipv6.google.com(waw02s06-in-x0e.1e100.net) 56 data bytes
	64 bytes from waw02s06-in-x0e.1e100.net: icmp_seq=1 ttl=54 time=21.0 ms
	64 bytes from waw02s06-in-x0e.1e100.net: icmp_seq=2 ttl=54 time=20.8 ms
	64 bytes from waw02s06-in-x0e.1e100.net: icmp_seq=3 ttl=54 time=21.8 ms

Pres jeden web jsem overil, ze funguje i ping6 smerem ke mne.

	root at wolfsden:/# test -f /proc/net/if_inet6 && echo "Running kernel is IPv6 ready"
	Running kernel is IPv6 ready

	root at wolfsden:/# cat /proc/sys/net/ipv6/conf/all/disable_ipv6 
	0

Proc si dovecot mysli, ze kernel nema IPv6?

Diky,
W.
-- 
There are only two hard things in Computer Science:
cache invalidation, naming things and off-by-one errors.
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