[8.3](backport #32025) x-filebeat/modules/cisco: fix syslog priority handling

CHANGELOG.next.asciidoc

@@ -54,6 +54,7 @@ https://github.com/elastic/beats/compare/v8.2.0\...main[Check the HEAD diff]
 - Fix type mapping of client.as.number in okta module. {pull}31676[31676]
 - Fix last write pagination commit checkpoint on `aws-s3` input for s3 direct polling when using the same bucket and different list prefixes. {pull}31776[31776]
 - If a file is ignored by `filestream` because of ignore_older settings, when it is updated, only the new lines are shipped to the output. {issue}31924[31924] {pull}31972[31972]
+- Fix handling and mapping of syslog priority, facility and severity values in Cisco module. {pull}32025[32025]
 
 *Heartbeat*
 - Fix unintentional use of no-op logger. {pull}31543[31543]

x-pack/filebeat/module/cisco/asa/test/not-ip.log-expected.json

@@ -29,6 +29,9 @@
         "log.file.path": "not-ip.log",
         "log.level": "notification",
         "log.offset": 0,
+        "log.syslog.facility.code": 20,
+        "log.syslog.priority": 165,
+        "log.syslog.severity.code": 5,
         "network.iana_number": 6,
         "network.transport": "tcp",
         "observer.egress.interface.name": "OUTSIDE",
@@ -46,7 +49,6 @@
         "source.address": "WHAT-IS-THIS-A-HOSTNAME-192.0.2.244",
         "source.domain": "WHAT-IS-THIS-A-HOSTNAME-192.0.2.244",
         "source.port": 27218,
-        "syslog.facility": 165,
         "tags": [
             "cisco-asa",
             "forwarded"

x-pack/filebeat/module/cisco/asa/test/sample.log-expected.json

@@ -4756,6 +4756,9 @@
         "log.file.path": "sample.log",
         "log.level": "warning",
         "log.offset": 13909,
+        "log.syslog.facility.code": 1,
+        "log.syslog.priority": 13,
+        "log.syslog.severity.code": 5,
         "network.protocol": "tcp",
         "observer.egress.interface.name": "Inside",
         "observer.ingress.interface.name": "outside",
@@ -4770,7 +4773,6 @@
         "source.address": "54.239.28.85",
         "source.ip": "54.239.28.85",
         "source.port": 443,
-        "syslog.facility": 13,
         "tags": [
             "cisco-asa",
             "forwarded"
@@ -4797,6 +4799,9 @@
         "log.file.path": "sample.log",
         "log.level": "warning",
         "log.offset": 14071,
+        "log.syslog.facility.code": 1,
+        "log.syslog.priority": 13,
+        "log.syslog.severity.code": 5,
         "network.protocol": "tcp",
         "observer.egress.interface.name": "Inside",
         "observer.ingress.interface.name": "outside",
@@ -4811,7 +4816,6 @@
         "source.address": "54.239.28.85",
         "source.ip": "54.239.28.85",
         "source.port": 443,
-        "syslog.facility": 13,
         "tags": [
             "cisco-asa",
             "forwarded"