Displaying 6 results from an estimated 6 matches for "freebind".
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2017 Jan 17
1
disable/mask NetworkManager leads to unit startup fails
...ires if you want no attempt to
start the service if the target fails to activate) network-online.target
(see referenced man page) which won't be complete until at least one IP is
on any interface.
If it's your own application and you can set the flags on the actual bind
then you can use so_freebind on the socket opened, some applications may
have this as a compile time or configurable option.
Another option is to enable net.ipv4.ip_nonlocal_bind and
net.ipv6.ip_nonlocal_bind which allows the kernel to bind a socket on an IP
it doesn't have (do note the caveat it may break some things)....
2017 Jan 16
2
disable/mask NetworkManager leads to unit startup fails
Hello!
For me it was best practice to disable "NetworkManager" on headless
installations.
Now suddenly I ran into an problem with several programs not starting
correctly upon boot anymore.
The problem seems to be that their unit files contain "After=network.target"
but network.target wont wait till network is up and working, just waits for
some low level network stuff.
2017 Jan 16
0
disable/mask NetworkManager leads to unit startup fails
...ires if you want no
attempt to start the service if the target fails to activate)
network-online.target (see referenced man page) which won't be
complete until at least one IP is on any interface.
If it's your own application and you can set the flags on the actual
bind then you can use so_freebind on the socket opened, some
applications may have this as a compile time or configurable option.
Another option is to enable net.ipv4.ip_nonlocal_bind and
net.ipv6.ip_nonlocal_bind which allows the kernel to bind a socket on
an IP it doesn't have (do note the caveat it may break some things)....
2019 Dec 28
2
tinydns to nsd
...trol I get an error:
# nsd-control delzone test.xaq.nl
error zone defined in nsd.conf, cannot delete it in this manner: remove
it from nsd.conf yourself and repattern
The output of "nsd-checkconf -v /etc/nsd/nsd.conf":
server:
debug-mode: no
ip-transparent: no
ip-freebind: no
reuseport: no
do-ip4: yes
do-ip6: no
hide-version: yes
database: ""
#identity:
#version:
#nsid:
#logfile:
server-count: 1
tcp-count: 100
tcp-query-count: 0
tcp-timeout: 120...
2015 Dec 17
0
Network services start before network is up since migrating to 7.2
...rather than a specific IP like
the default configuration so that they are not dependent on the network
being up with a specific IP on the interface
2) Set the sysctl ip_nonlocal_bind so that the services can bind to IPs not
yet on the system (if it's using a systemd socket you can override
with FreeBind for that socket rather than set this globally)
3) Provide overrides for each service to order it after
network-online.target (which is effectively when the non-local IP address
can be found on the interface) as per the systemd.special man page
documenting this.
Look at man systemd.special for more...
2015 Dec 17
2
Network services start before network is up since migrating to 7.2
Hello all,
I updated two of my servers to CentOS 7.2 (1511) two days ago, and since, on one of them, the network services are started (and fail to start) before the network interfaces are online.
Parts of "journalctl" after the last reboot :
d?c. 17 10:21:44 myserver kernel: NET: Registered protocol family 40
d?c. 17 10:21:45 myserver sshd[700]: error: Bind to port 22 on