Solved

CHECK_NRPE: Receive header underflow - only 0 bytes received (4 expected).

Userlevel 1

+3

Hello everyone,

Does anyone have an idea how to resolve this error:

CHECK_NRPE: Receive header underflow - only 0 bytes received (4 expected).

Command:

./check_centreon_nrpe3 -H xx.xx.xx.x -p 5666 -t 60 -u -2 -P 8192 -c check_centreon_plugins -a 'os::windows::local::plugin' 'updates'

On some servers it works with the same versions:
(0.5.1.46 2017-09-24) and (centreon_plugins_20221710)

Other commands like CPU, Memory, Disk are ok.

Modes Available:
cmd-return
list-storages
pending-reboot
sessions
time
updates

icon

Best answer by cesinhaleal 5 October 2023, 16:15

Userlevel 4

+12

Hi @cesinhaleal

What do you get with this command?

./check_centreon_nrpe3 -H xx.xx.xx.x -p 5666 -t 60 -u -2 -P 8192

Does the server reply the NSClient++ version number?

Userlevel 1

+3

Hi @cesinhaleal

What do you get with this command?

./check_centreon_nrpe3 -H xx.xx.xx.x -p 5666 -t 60 -u -2 -P 8192

Does the server reply the NSClient++ version number?

Resolved, it is related to timeout.

It is necessary to increase the timeout to 600 sec in nsclient and command

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