Change log for SOPHOS_FIREWALL

Date Changes
2023-11-20 Enhancement:
- Mapped "packets_sent" to "network.sent_packets".
- Mapped "packets_received" to "network.received_packets".
- Mapped "src_trans_ip" to "principal.nat_ip".
- Mapped "src_trans_port" to "principal.nat_port".
- Mapped "dst_trans_ip" to "target.nat_ip".
- Mapped "dst_trans_port" to "target.nat_port".
- Mapped "bytes_sent" to "network.sent_bytes".
- Mapped "bytes_received" to "network.received_bytes".
- Mapped "duration" to "network.session_duration".
- Mapped "referer" to "network.http.referer_url".
- Mapped "ipaddress" to "principal.ip" and "network.dhcp.ciaddr".
- Mapped "client_physical_address" to "network.dhcp.chaddr".
- Mapped "client_host_name" to "network.dhcp.client_hostname".
- Mapped "reason" to "security_result.summary".
- Mapped "http_status" to "network.http.response_code".
- Mapped "app_name" to "principal.application".
- Mapped "out_display_interface", "web_policy_id", "http_category", "http_category_type", "exceptions", "con_id",
"used_quota", "src_zone_type", "src_zone", "dst_zone_type", "dst_zone", "app_risk", "app_category", "nat_rule_name",
"gw_id_request", "gw_name_request", "app_filter_policy_id", "app_technology", "in_interface", "out_interface",
"con_event", "srczonetype", "dstzonetype", "connevent", "connid", "hb_health", "category_type",
"activityname" to "security_result.detection_fields".
2023-11-10 Enhancement:
- Mapped "fw_rule_type" to "security_result.rule_type".
- Mapped "severity" to "security_result.severity".
- Mapped "device_serial_id" to "principal.asset.asset_id".
- Mapped "log_type", "log_component", "log_subtype", "log_version", "nat_rule_id", "ether_type",
"hb_status", "app_resolved_by", "app_is_cloud", "qualifier", "log_occurrence", "in_display_interface" to "security_result.detection_fields".
2023-04-03 Enhancement:
- Modified mapping of "device_name" from "principal.hostname" to "intermediary.hostname".
- Modified mapping of "device_id" from "principal.asset.asset_id" to "intermediary.asset.asset_id".
- Modified mapping of "metadata.vendor_name" from "SOPHOS Ltd." to "SOPHOS".
- Mapped "sent_pkts" to "network.sent_packets".
- Mapped "recv_pkts" to "network.received_packets".
- Mapped "tran_src_ip" to "principal.nat_ip".
- Mapped "tran_src_port" to "principal.nat_port".
- Mapped "tran_dst_ip" to "target.nat_ip".
- Mapped "tran_dst_port" to "target.nat_port".
2022-12-01 Enhancement - Parsed logs for timezone="IST".
- Mapped "application_category, application_risk and application_technology" to "security_result.detection_fields".
- Mapped "fw_rule_name" to "security_result.rule_name".
- Mapped "fw_rule_section" to "security_result.rule_set".
2022-08-18 Enhancement - Parsed logs for timezone="CEST".
- Reduced Generic Event percentage
- Mapped "user_name" to "event.idm.read_only_udm.principal.user.userid"
- Mapped "device_id" to "event.idm.read_only_udm.principal.asset.asset_id"