Add seccomp in systemd config (#18309)

Signed-off-by: Rajat Gupta <[email protected]>
Co-authored-by: Rajat Gupta <[email protected]>

Author: RajatGupta02

CHANGELOG.md

@@ -56,6 +56,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Use Bad Request status for InputCoercionException ([#18161](https://github.com/opensearch-project/OpenSearch/pull/18161))
 - Null check field names in QueryStringQueryBuilder ([#18194](https://github.com/opensearch-project/OpenSearch/pull/18194))
 - Avoid NPE if on SnapshotInfo if 'shallow' boolean not present ([#18187](https://github.com/opensearch-project/OpenSearch/issues/18187))
+- Fix 'system call filter not installed' caused when network.host: 0.0.0.0 ([#18309](https://github.com/opensearch-project/OpenSearch/pull/18309))
 
 ### Security
 

distribution/packages/src/common/systemd/opensearch.service

@@ -101,7 +101,8 @@ LockPersonality=yes
 # @ means allowed
 # ~ means not allowed
 # These syscalls are related to mmap which is needed for OpenSearch Services
-SystemCallFilter=madvise mincore mlock mlock2 munlock get_mempolicy sched_getaffinity sched_setaffinity fcntl
+SystemCallFilter=seccomp mincore
+SystemCallFilter=madvise mlock mlock2 munlock get_mempolicy sched_getaffinity sched_setaffinity fcntl
 SystemCallFilter=@system-service
 SystemCallFilter=~@reboot
 SystemCallFilter=~@swap