[syslog-ng] UDP alerts in syslog

Fabien Wernli wernli at in2p3.fr
Thu May 9 07:15:10 UTC 2019


Hi,

On Tue, May 07, 2019 at 11:15:52PM +0800, Swordfish Binary wrote:
>    - Besides a packet capture, is there anything in RHEL (built-in
>    preferred) that provides a counter of UDP packets attempted and not just
>    those that are received (see comments on *netstat -su* output below)?

FWIW we use collectd, and its protocols plugin provides counters for the
following Udp instances:

  InCsumErrors
  InDatagrams
  InErrors
  NoPorts
  OutDatagrams
  RcvbufErrors
  SndbufErrors

If you need anything more, I'd suggest trying out systemtap which should
give you more insight, and it's part of RHEL7



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