Change log for WATCHGUARD

Date	Changes
2023-12-03	Enhancement: - Modified a Grok pattern to parse new fields. - Modified few Grok pattern to parse new patterns of "identified_log". - Added a new Grok pattern to parse "identified_log" having "msg_id" value as "1600-0066".
2023-11-27	Enhancement: - Mapped "signature_name" to "additional.fields" for logs having "msg_id" equal to "3000-0150". - Mapped "signature_id", "signature_cat" to "additional.fields".
2023-11-24	Enhancement: - Modified few Grok patterns to parse new fields. - Mapped "firewallname" to "event.idm.read_only_udm.intermediary.hostname". - Mapped "firewall_id" to "event.idm.read_only_udm.intermediary.asset_id". - Mapped "prin_host" to "event.idm.read_only_udm.intermediary.labels"
2023-11-10	Enhancement: - Removed redundant code. - Mapped "signature_name" to "additional.fields".
2023-09-28	Bug-fix: - Modified the "date" filter to support the following formats "yyyy-MM-dd HH:mm:ss", "MMM d HH:mm:ss", "MMM dd HH:mm:ss", "ISO8601", "yyyy-MM-ddTHH:mm:ss".
2023-05-25	Bug-fix: - Changed mapping for the field "src_vpn_ip" from "principal.ip" to "target.ip" for event "Received DPD message from target host through gateway".
2023-05-04	Enhancement - Added Grok patterns to handle unparsed logs with event 'dnsmasq', 'dhcpd', 'iked', 'admd'.
2023-01-20	Enhancement - Added grok to handle unparsed logs. - Mapped "dst_port" to target.port. - Mapped "src_port" to principal.port. - Mapped "rcvd_bytes" to network.received_bytes. - Mapped "geo_src" to principal.location.country_or_region. - Mapped "geo_dst" to target.location.country_or_region. - Mapped "prin_host" to "principal.hostname". - Added conditional check for "dhcp_type", "intermediary_host", "protocol" - For "msg_id" equal to "1600-0066" - Added grok pattern for "msg_id" equal to "1600-0066". - Mapped "description" to "metadeta.description". - For "msg_id" equal to "2DFF-0000" - Mapped "proxy_act" to "security_result.rule_name".
2022-12-17	Enhancement - Mapped firewall name to "principal.asset_id" for the logs containing Member1. - Modified "event_type" from "SERVICE_MODIFICATION" to "NETWORK_CONNECTION". - Mapped "src_user" to "principal.user.email_addresses" if it' an Email, else mapped it to "principal.user.user_display_name".
2022-12-16	Enhancement - - Added grok to handle unparsed log with event_name 'firewall'. - Reduced GENERIC_EVENT type.
2022-11-16	Enhancement - Mapped 'reason' field to 'security_result.action_details'. - Added grok to handle unparsed log with event_name 'firewall'. - Added additional conditional blocks to parse logs with event_name 'loggerd', 'sigd', 'sessiond', 'admd', 'iked'.
2022-11-07	Bug-fix: - Mapped path given in the http header from 'target.file.full_path' to 'target.url' instead.
2022-06-17	Enhancement - Parsed logs with events related to "firewall", "http-proxy", "https-proxy".