diff --git a/scripts/base/protocols/http/main.zeek b/scripts/base/protocols/http/main.zeek
index 983bb37d9a..27046dd642 100644
--- a/scripts/base/protocols/http/main.zeek
+++ b/scripts/base/protocols/http/main.zeek
@@ -139,6 +139,14 @@ export {
 	## out and request/response tracking reset to prevent unbounded
 	## state growth.
 	option max_pending_requests = 100;
+
+	## The maximum number of bytes that a single string field can contain when
+	## logging. If a string reaches this limit, the log output for the field will be
+	## truncated. Setting this to zero disables the limiting. HTTP has no maximum
+	## length for various fields such as the URI, so this is set to zero by default.
+	##
+	## .. zeek:see:: Log::default_max_field_string_bytes
+	const default_max_field_string_bytes = 0 &redef;
 }
 
 # Add the http state tracking fields to the connection record.
@@ -156,7 +164,8 @@ redef likely_server_ports += { ports };
 # Initialize the HTTP logging stream and ports.
 event zeek_init() &priority=5
 	{
-	Log::create_stream(HTTP::LOG, Log::Stream($columns=Info, $ev=log_http, $path="http", $policy=log_policy));
+	Log::create_stream(HTTP::LOG, Log::Stream($columns=Info, $ev=log_http, $path="http", $policy=log_policy,
+	                                          $max_field_string_bytes=HTTP::default_max_field_string_bytes));
 	Analyzer::register_for_ports(Analyzer::ANALYZER_HTTP, ports);
 	}
 
@@ -394,4 +403,3 @@ hook finalize_http(c: connection)
 			}
 		}
 	}
-
diff --git a/testing/btest/Baseline/plugins.hooks/output b/testing/btest/Baseline/plugins.hooks/output
index b4333b458d..8697db08b7 100644
--- a/testing/btest/Baseline/plugins.hooks/output
+++ b/testing/btest/Baseline/plugins.hooks/output
@@ -44,7 +44,7 @@
 0.000000   MetaHookPost  CallFunction(Log::__create_stream, <frame>, (Config::LOG, [columns=Config::Info, ev=Config::log_config: event(rec:Config::Info), path=config, policy=Config::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
 0.000000   MetaHookPost  CallFunction(Log::__create_stream, <frame>, (Conn::LOG, [columns=Conn::Info, ev=Conn::log_conn: event(rec:Conn::Info), path=conn, policy=Conn::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
 0.000000   MetaHookPost  CallFunction(Log::__create_stream, <frame>, (Files::LOG, [columns=Files::Info, ev=Files::log_files: event(rec:Files::Info), path=files, policy=Files::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
-0.000000   MetaHookPost  CallFunction(Log::__create_stream, <frame>, (HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
+0.000000   MetaHookPost  CallFunction(Log::__create_stream, <frame>, (HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=0, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
 0.000000   MetaHookPost  CallFunction(Log::__create_stream, <frame>, (Notice::ALARM_LOG, [columns=Notice::Info, ev=<uninitialized>, path=notice_alarm, policy=Notice::log_policy_alarm: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
 0.000000   MetaHookPost  CallFunction(Log::__create_stream, <frame>, (Notice::LOG, [columns=Notice::Info, ev=Notice::log_notice: event(rec:Notice::Info), path=notice, policy=Notice::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
 0.000000   MetaHookPost  CallFunction(Log::__create_stream, <frame>, (Tunnel::LOG, [columns=Tunnel::Info, ev=<uninitialized>, path=tunnel, policy=Tunnel::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
@@ -88,7 +88,7 @@
 0.000000   MetaHookPost  CallFunction(Log::create_stream, <frame>, (Config::LOG, [columns=Config::Info, ev=Config::log_config: event(rec:Config::Info), path=config, policy=Config::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
 0.000000   MetaHookPost  CallFunction(Log::create_stream, <frame>, (Conn::LOG, [columns=Conn::Info, ev=Conn::log_conn: event(rec:Conn::Info), path=conn, policy=Conn::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
 0.000000   MetaHookPost  CallFunction(Log::create_stream, <frame>, (Files::LOG, [columns=Files::Info, ev=Files::log_files: event(rec:Files::Info), path=files, policy=Files::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
-0.000000   MetaHookPost  CallFunction(Log::create_stream, <frame>, (HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
+0.000000   MetaHookPost  CallFunction(Log::create_stream, <frame>, (HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=0, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
 0.000000   MetaHookPost  CallFunction(Log::create_stream, <frame>, (Notice::ALARM_LOG, [columns=Notice::Info, ev=<uninitialized>, path=notice_alarm, policy=Notice::log_policy_alarm: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
 0.000000   MetaHookPost  CallFunction(Log::create_stream, <frame>, (Notice::LOG, [columns=Notice::Info, ev=Notice::log_notice: event(rec:Notice::Info), path=notice, policy=Notice::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
 0.000000   MetaHookPost  CallFunction(Log::create_stream, <frame>, (Tunnel::LOG, [columns=Tunnel::Info, ev=<uninitialized>, path=tunnel, policy=Tunnel::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])) -> <no result>
@@ -986,7 +986,7 @@
 0.000000   MetaHookPre   CallFunction(Log::__create_stream, <frame>, (Config::LOG, [columns=Config::Info, ev=Config::log_config: event(rec:Config::Info), path=config, policy=Config::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
 0.000000   MetaHookPre   CallFunction(Log::__create_stream, <frame>, (Conn::LOG, [columns=Conn::Info, ev=Conn::log_conn: event(rec:Conn::Info), path=conn, policy=Conn::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
 0.000000   MetaHookPre   CallFunction(Log::__create_stream, <frame>, (Files::LOG, [columns=Files::Info, ev=Files::log_files: event(rec:Files::Info), path=files, policy=Files::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
-0.000000   MetaHookPre   CallFunction(Log::__create_stream, <frame>, (HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
+0.000000   MetaHookPre   CallFunction(Log::__create_stream, <frame>, (HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=0, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
 0.000000   MetaHookPre   CallFunction(Log::__create_stream, <frame>, (Notice::ALARM_LOG, [columns=Notice::Info, ev=<uninitialized>, path=notice_alarm, policy=Notice::log_policy_alarm: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
 0.000000   MetaHookPre   CallFunction(Log::__create_stream, <frame>, (Notice::LOG, [columns=Notice::Info, ev=Notice::log_notice: event(rec:Notice::Info), path=notice, policy=Notice::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
 0.000000   MetaHookPre   CallFunction(Log::__create_stream, <frame>, (Tunnel::LOG, [columns=Tunnel::Info, ev=<uninitialized>, path=tunnel, policy=Tunnel::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
@@ -1030,7 +1030,7 @@
 0.000000   MetaHookPre   CallFunction(Log::create_stream, <frame>, (Config::LOG, [columns=Config::Info, ev=Config::log_config: event(rec:Config::Info), path=config, policy=Config::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
 0.000000   MetaHookPre   CallFunction(Log::create_stream, <frame>, (Conn::LOG, [columns=Conn::Info, ev=Conn::log_conn: event(rec:Conn::Info), path=conn, policy=Conn::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
 0.000000   MetaHookPre   CallFunction(Log::create_stream, <frame>, (Files::LOG, [columns=Files::Info, ev=Files::log_files: event(rec:Files::Info), path=files, policy=Files::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
-0.000000   MetaHookPre   CallFunction(Log::create_stream, <frame>, (HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
+0.000000   MetaHookPre   CallFunction(Log::create_stream, <frame>, (HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=0, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
 0.000000   MetaHookPre   CallFunction(Log::create_stream, <frame>, (Notice::ALARM_LOG, [columns=Notice::Info, ev=<uninitialized>, path=notice_alarm, policy=Notice::log_policy_alarm: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
 0.000000   MetaHookPre   CallFunction(Log::create_stream, <frame>, (Notice::LOG, [columns=Notice::Info, ev=Notice::log_notice: event(rec:Notice::Info), path=notice, policy=Notice::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
 0.000000   MetaHookPre   CallFunction(Log::create_stream, <frame>, (Tunnel::LOG, [columns=Tunnel::Info, ev=<uninitialized>, path=tunnel, policy=Tunnel::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500]))
@@ -1927,7 +1927,7 @@
 0.000000 | HookCallFunction Log::__create_stream(Config::LOG, [columns=Config::Info, ev=Config::log_config: event(rec:Config::Info), path=config, policy=Config::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
 0.000000 | HookCallFunction Log::__create_stream(Conn::LOG, [columns=Conn::Info, ev=Conn::log_conn: event(rec:Conn::Info), path=conn, policy=Conn::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
 0.000000 | HookCallFunction Log::__create_stream(Files::LOG, [columns=Files::Info, ev=Files::log_files: event(rec:Files::Info), path=files, policy=Files::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
-0.000000 | HookCallFunction Log::__create_stream(HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
+0.000000 | HookCallFunction Log::__create_stream(HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=0, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
 0.000000 | HookCallFunction Log::__create_stream(Notice::ALARM_LOG, [columns=Notice::Info, ev=<uninitialized>, path=notice_alarm, policy=Notice::log_policy_alarm: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
 0.000000 | HookCallFunction Log::__create_stream(Notice::LOG, [columns=Notice::Info, ev=Notice::log_notice: event(rec:Notice::Info), path=notice, policy=Notice::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
 0.000000 | HookCallFunction Log::__create_stream(Tunnel::LOG, [columns=Tunnel::Info, ev=<uninitialized>, path=tunnel, policy=Tunnel::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
@@ -1971,7 +1971,7 @@
 0.000000 | HookCallFunction Log::create_stream(Config::LOG, [columns=Config::Info, ev=Config::log_config: event(rec:Config::Info), path=config, policy=Config::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
 0.000000 | HookCallFunction Log::create_stream(Conn::LOG, [columns=Conn::Info, ev=Conn::log_conn: event(rec:Conn::Info), path=conn, policy=Conn::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
 0.000000 | HookCallFunction Log::create_stream(Files::LOG, [columns=Files::Info, ev=Files::log_files: event(rec:Files::Info), path=files, policy=Files::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
-0.000000 | HookCallFunction Log::create_stream(HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
+0.000000 | HookCallFunction Log::create_stream(HTTP::LOG, [columns=HTTP::Info, ev=HTTP::log_http: event(rec:HTTP::Info), path=http, policy=HTTP::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=0, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
 0.000000 | HookCallFunction Log::create_stream(Notice::ALARM_LOG, [columns=Notice::Info, ev=<uninitialized>, path=notice_alarm, policy=Notice::log_policy_alarm: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
 0.000000 | HookCallFunction Log::create_stream(Notice::LOG, [columns=Notice::Info, ev=Notice::log_notice: event(rec:Notice::Info), path=notice, policy=Notice::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])
 0.000000 | HookCallFunction Log::create_stream(Tunnel::LOG, [columns=Tunnel::Info, ev=<uninitialized>, path=tunnel, policy=Tunnel::log_policy: Log::PolicyHook, event_groups={}, max_delay_interval=200.0 msecs, max_delay_queue_size=1000, max_field_string_bytes=4096, max_total_string_bytes=256000, max_field_container_elements=100, max_total_container_elements=500])