Fix Cisco ASA/FTD configs that used var.input syslog

#26159 accidentally introduced a breaking change for existing users of Cisco ASA and FTD that specified `var.input: syslog`. `syslog` was effectively an alias for the UDP input and the alias support was removed. This change allows `var.input: syslog` to continue working as it did before.
elastic · Feb 9, 2022 · 075eae9 · 075eae9
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commit 075eae9
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diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
@@ -55,6 +55,9 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...main[Check the HEAD dif
 
 *Filebeat*
 
+- aws-s3: Improve gzip detection to avoid false negatives. {issue}29968[29968]
+- cisco module: Fix change the broke ASA and FTD configs that used `var.input: syslog`. {pull}30072[30072]
+- decode_cef: Fix panic when recovering from invalid CEF extensions that contain escape characters. {issue}30010[30010]
 
 *Heartbeat*
 

diff --git a/x-pack/filebeat/module/cisco/asa/config/input.yml b/x-pack/filebeat/module/cisco/asa/config/input.yml
@@ -7,6 +7,10 @@ paths:
 {{ end }}
 exclude_files: [".gz$"]
 
+{{ else if eq .input "syslog" }}
+type: udp
+host: "{{.syslog_host}}:{{.syslog_port}}"
+
 {{ else }}
 
 type: {{.input}}

diff --git a/x-pack/filebeat/module/cisco/ftd/config/input.yml b/x-pack/filebeat/module/cisco/ftd/config/input.yml
@@ -7,6 +7,10 @@ paths:
 {{ end }}
 exclude_files: [".gz$"]
 
+{{ else if eq .input "syslog" }}
+type: udp
+host: "{{.syslog_host}}:{{.syslog_port}}"
+
 {{ else }}
 
 type: {{.input}}