When starting a sysutils/tmux session or tmux pseudo terminals these entries can be found in the Unbound logfile:
Tmux has been initialized within a local LAN like this:
What me bothers are the queries to external DNS-servers (see XXXs).
How can this be prevented?
Code:
Nov 03 20:26:45 unbound[326:0] info: 127.0.0.1 tmux?772?.?4. A IN
Nov 03 20:26:45 unbound[326:0] debug: worker request: max UDP reply size modified (65535 to max-udp-size)
Nov 03 20:26:45 unbound[326:0] debug: iterator[module 0] operate: extstate:module_state_initial event:module_event_new
Nov 03 20:26:45 unbound[326:0] info: resolving tmux?772?.?4. A IN
Nov 03 20:26:45 unbound[326:0] info: processQueryTargets: tmux?772?.?4. A IN
Nov 03 20:26:45 unbound[326:0] info: sending query: tmux?772?.?4. A IN
Nov 03 20:26:45 unbound[326:0] debug: sending to target: <.> 193.XXX.XXX.XXX#53
Nov 03 20:26:45 unbound[326:0] debug: cache memory msg=108478 rrset=102966 infra=3596 val=0
Nov 03 20:26:46 unbound[326:0] debug: iterator[module 0] operate: extstate:module_wait_reply event:module_event_reply
Nov 03 20:26:46 unbound[326:0] info: iterator operate: query tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] info: response for tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] info: reply from <.> 193.XXX.XXX.XXX#53
Nov 03 20:26:46 unbound[326:0] info: query response was THROWAWAY
Nov 03 20:26:46 unbound[326:0] info: processQueryTargets: tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] info: sending query: tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] debug: sending to target: <.> 193.XXX.XXX.XXX#53
Nov 03 20:26:46 unbound[326:0] debug: cache memory msg=108478 rrset=102966 infra=3596 val=0
Nov 03 20:26:46 unbound[326:0] debug: iterator[module 0] operate: extstate:module_wait_reply event:module_event_reply
Nov 03 20:26:46 unbound[326:0] info: iterator operate: query tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] info: response for tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] info: reply from <.> 193.XXX.XXX.XXX#53
Nov 03 20:26:46 unbound[326:0] info: query response was THROWAWAY
Nov 03 20:26:46 unbound[326:0] info: processQueryTargets: tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] info: sending query: tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] debug: sending to target: <.> 217.XXX.XXX.XXX#53
Nov 03 20:26:46 unbound[326:0] debug: cache memory msg=108478 rrset=102966 infra=3596 val=0
Nov 03 20:26:46 unbound[326:0] debug: iterator[module 0] operate: extstate:module_wait_reply event:module_event_reply
Nov 03 20:26:46 unbound[326:0] info: iterator operate: query tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] info: response for tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] info: reply from <.> 217.XXX.XXX.XXX#53
Nov 03 20:26:46 unbound[326:0] info: query response was NXDOMAIN ANSWER
Nov 03 20:26:46 unbound[326:0] info: finishing processing for tmux?772?.?4. A IN
Nov 03 20:26:46 unbound[326:0] debug: cache memory msg=108668 rrset=102966 infra=3596 val=0
Nov 03 20:26:46 unbound[326:0] info: 127.0.0.1 tmux?772?.?4. AAAA IN
Nov 03 20:26:46 unbound[326:0] debug: worker request: max UDP reply size modified (65535 to max-udp-size)
Nov 03 20:26:46 unbound[326:0] debug: iterator[module 0] operate: extstate:module_state_initial event:module_event_new
Nov 03 20:26:46 unbound[326:0] info: resolving tmux?772?.?4. AAAA IN
Nov 03 20:26:46 unbound[326:0] info: processQueryTargets: tmux?772?.?4. AAAA IN
Nov 03 20:26:46 unbound[326:0] info: sending query: tmux?772?.?4. AAAA IN
Nov 03 20:26:46 unbound[326:0] debug: sending to target: <.> 217.XXX.XXX.XXX#53
Nov 03 20:26:46 unbound[326:0] debug: cache memory msg=108668 rrset=102966 infra=3596 val=0
Nov 03 20:26:46 unbound[326:0] debug: iterator[module 0] operate: extstate:module_wait_reply event:module_event_reply
Nov 03 20:26:46 unbound[326:0] info: iterator operate: query tmux?772?.?4. AAAA IN
Nov 03 20:26:46 unbound[326:0] info: response for tmux?772?.?4. AAAA IN
Nov 03 20:26:46 unbound[326:0] info: reply from <.> 217.XXX.XXX.XXX#53
Nov 03 20:26:46 unbound[326:0] info: query response was NXDOMAIN ANSWER
Nov 03 20:26:46 unbound[326:0] info: finishing processing for tmux?772?.?4. AAAA IN
Nov 03 20:26:46 unbound[326:0] debug: cache memory msg=108858 rrset=102966 infra=3596 val=0
Nov 03 20:26:46 unbound[326:0] info: 127.0.0.1 tmux?772?.?4.local. A IN
Nov 03 20:26:46 unbound[326:0] debug: worker request: max UDP reply size modified (65535 to max-udp-size)
Nov 03 20:26:46 unbound[326:0] info: 127.0.0.1 tmux?772?.?4.local. AAAA IN
Nov 03 20:26:46 unbound[326:0] debug: worker request: max UDP reply size modified (65535 to max-udp-size)
Nov 03 20:29:26 unbound[326:0] info: 127.0.0.1 tmux?772?.?4. A IN
Nov 03 20:29:26 unbound[326:0] debug: worker request: max UDP reply size modified (65535 to max-udp-size)
Nov 03 20:29:26 unbound[326:0] info: 127.0.0.1 tmux?772?.?4. AAAA IN
Nov 03 20:29:26 unbound[326:0] debug: worker request: max UDP reply size modified (65535 to max-udp-size)
Nov 03 20:29:26 unbound[326:0] info: 127.0.0.1 tmux?772?.?4.local. A IN
Nov 03 20:29:26 unbound[326:0] debug: worker request: max UDP reply size modified (65535 to max-udp-size)
Nov 03 20:29:26 unbound[326:0] info: 127.0.0.1 tmux?772?.?4.local. AAAA IN
Nov 03 20:29:26 unbound[326:0] debug: worker request: max UDP reply size modified (65535 to max-udp-size)
ssh -t myotherbox.local tmux
What me bothers are the queries to external DNS-servers (see XXXs).
How can this be prevented?