diff --git a/EXAMPLES.md b/EXAMPLES.md
index 26fdfd74..282b8ba7 100644
--- a/EXAMPLES.md
+++ b/EXAMPLES.md
@@ -3149,10 +3149,10 @@ ufw status verbose numbered | jc --ufw -p
       "to_end_port": 22,
       "to_service": null,
       "to_ip": "0.0.0.0",
-      "to_ip_prefix": "0",
+      "to_ip_prefix": 0,
       "comment": null,
       "from_ip": "0.0.0.0",
-      "from_ip_prefix": "0",
+      "from_ip_prefix": 0,
       "from_interface": "any",
       "from_transport": "any",
       "from_start_port": 0,
@@ -3170,10 +3170,10 @@ ufw status verbose numbered | jc --ufw -p
       "to_end_port": 22,
       "to_service": null,
       "to_ip": "::",
-      "to_ip_prefix": "0",
+      "to_ip_prefix": 0,
       "comment": null,
       "from_ip": "::",
-      "from_ip_prefix": "0",
+      "from_ip_prefix": 0,
       "from_interface": "any",
       "from_transport": "any",
       "from_start_port": 0,
@@ -3191,10 +3191,10 @@ ufw status verbose numbered | jc --ufw -p
       "to_start_port": null,
       "to_end_port": null,
       "to_ip": "0.0.0.0",
-      "to_ip_prefix": "0",
+      "to_ip_prefix": 0,
       "comment": null,
       "from_ip": "0.0.0.0",
-      "from_ip_prefix": "0",
+      "from_ip_prefix": 0,
       "from_interface": "any",
       "from_transport": "any",
       "from_start_port": 0,
@@ -3208,14 +3208,14 @@ ufw status verbose numbered | jc --ufw -p
       "network_protocol": "ipv6",
       "to_interface": "any",
       "to_ip": "2405:204:7449:49fc:f09a:6f4a:bc93:1955",
-      "to_ip_prefix": "128",
+      "to_ip_prefix": 128,
       "to_transport": "any",
       "to_start_port": 0,
       "to_end_port": 65535,
       "to_service": null,
       "comment": null,
       "from_ip": "::",
-      "from_ip_prefix": "0",
+      "from_ip_prefix": 0,
       "from_interface": "any",
       "from_transport": "any",
       "from_start_port": 0,
@@ -3229,14 +3229,14 @@ ufw status verbose numbered | jc --ufw -p
       "network_protocol": "ipv4",
       "to_interface": "en0",
       "to_ip": "10.10.10.10",
-      "to_ip_prefix": "32",
+      "to_ip_prefix": 32,
       "to_transport": "any",
       "to_start_port": 0,
       "to_end_port": 65535,
       "to_service": null,
       "comment": null,
       "from_ip": "0.0.0.0",
-      "from_ip_prefix": "0",
+      "from_ip_prefix": 0,
       "from_interface": "any",
       "from_transport": "any",
       "from_start_port": 0,
diff --git a/docs/parsers/ufw.md b/docs/parsers/ufw.md
index d9b117a5..ef9b34c0 100644
--- a/docs/parsers/ufw.md
+++ b/docs/parsers/ufw.md
@@ -33,17 +33,17 @@ Schema:
           "to_ip":                  string,
           "to_ip_prefix":           integer,
           "to_interface":           string,
-          "to_transport":           string,     # null if to_service is set
-          "to_start_port":          integer,    # null if to_service is set
-          "to_end_port":            integer,    # null if to_service is set
-          "to_service":             string,     # null if any above are set
+          "to_transport":           string,     # null if to_service is set and not a list of ports
+          "to_start_port":          integer,    # null if to_service is set and not a list of ports
+          "to_end_port":            integer,    # null if to_service is set and not a list of ports
+          "to_service":             string,     # null if any above are set (can also be a list of ports)
           "from_ip":                string,
           "from_ip_prefix":         integer,
           "from_interface":         string,
-          "from_transport":         string,     # null if from_service is set
-          "from_start_port":        integer,    # null if from_service is set
-          "from_end_port":          integer,    # null if from_service is set
-          "from_service":           string,     # null if any above are set
+          "from_transport":         string,     # null if to_service is set and not a list of ports
+          "from_start_port":        integer,    # null if to_service is set and not a list of ports
+          "from_end_port":          integer,    # null if to_service is set and not a list of ports
+          "from_service":           string,     # null if any above are set (can also be a list of ports)
           "comment":                string      # null if no comment
         }
       ]
@@ -70,10 +70,10 @@ Examples:
           "to_end_port": 22,
           "to_service": null,
           "to_ip": "0.0.0.0",
-          "to_ip_prefix": "0",
+          "to_ip_prefix": 0,
           "comment": null,
           "from_ip": "0.0.0.0",
-          "from_ip_prefix": "0",
+          "from_ip_prefix": 0,
           "from_interface": "any",
           "from_transport": "any",
           "from_start_port": 0,
@@ -91,10 +91,10 @@ Examples:
           "to_end_port": 22,
           "to_service": null,
           "to_ip": "::",
-          "to_ip_prefix": "0",
+          "to_ip_prefix": 0,
           "comment": null,
           "from_ip": "::",
-          "from_ip_prefix": "0",
+          "from_ip_prefix": 0,
           "from_interface": "any",
           "from_transport": "any",
           "from_start_port": 0,
@@ -112,10 +112,10 @@ Examples:
           "to_start_port": null,
           "to_end_port": null,
           "to_ip": "0.0.0.0",
-          "to_ip_prefix": "0",
+          "to_ip_prefix": 0,
           "comment": null,
           "from_ip": "0.0.0.0",
-          "from_ip_prefix": "0",
+          "from_ip_prefix": 0,
           "from_interface": "any",
           "from_transport": "any",
           "from_start_port": 0,
@@ -129,14 +129,14 @@ Examples:
           "network_protocol": "ipv6",
           "to_interface": "any",
           "to_ip": "2405:204:7449:49fc:f09a:6f4a:bc93:1955",
-          "to_ip_prefix": "128",
+          "to_ip_prefix": 128,
           "to_transport": "any",
           "to_start_port": 0,
           "to_end_port": 65535,
           "to_service": null,
           "comment": null,
           "from_ip": "::",
-          "from_ip_prefix": "0",
+          "from_ip_prefix": 0,
           "from_interface": "any",
           "from_transport": "any",
           "from_start_port": 0,
@@ -150,14 +150,14 @@ Examples:
           "network_protocol": "ipv4",
           "to_interface": "en0",
           "to_ip": "10.10.10.10",
-          "to_ip_prefix": "32",
+          "to_ip_prefix": 32,
           "to_transport": "any",
           "to_start_port": 0,
           "to_end_port": 65535,
           "to_service": null,
           "comment": null,
           "from_ip": "0.0.0.0",
-          "from_ip_prefix": "0",
+          "from_ip_prefix": 0,
           "from_interface": "any",
           "from_transport": "any",
           "from_start_port": 0,
diff --git a/jc/parsers/ufw.py b/jc/parsers/ufw.py
index e04be244..e2613e96 100644
--- a/jc/parsers/ufw.py
+++ b/jc/parsers/ufw.py
@@ -30,17 +30,17 @@ Schema:
           "to_ip":                  string,
           "to_ip_prefix":           integer,
           "to_interface":           string,
-          "to_transport":           string,     # null if to_service is set
-          "to_start_port":          integer,    # null if to_service is set
-          "to_end_port":            integer,    # null if to_service is set
-          "to_service":             string,     # null if any above are set
+          "to_transport":           string,     # null if to_service is set and not a list of ports
+          "to_start_port":          integer,    # null if to_service is set and not a list of ports
+          "to_end_port":            integer,    # null if to_service is set and not a list of ports
+          "to_service":             string,     # null if any above are set (can also be a list of ports)
           "from_ip":                string,
           "from_ip_prefix":         integer,
           "from_interface":         string,
-          "from_transport":         string,     # null if from_service is set
-          "from_start_port":        integer,    # null if from_service is set
-          "from_end_port":          integer,    # null if from_service is set
-          "from_service":           string,     # null if any above are set
+          "from_transport":         string,     # null if to_service is set and not a list of ports
+          "from_start_port":        integer,    # null if to_service is set and not a list of ports
+          "from_end_port":          integer,    # null if to_service is set and not a list of ports
+          "from_service":           string,     # null if any above are set (can also be a list of ports)
           "comment":                string      # null if no comment
         }
       ]
@@ -67,10 +67,10 @@ Examples:
           "to_end_port": 22,
           "to_service": null,
           "to_ip": "0.0.0.0",
-          "to_ip_prefix": "0",
+          "to_ip_prefix": 0,
           "comment": null,
           "from_ip": "0.0.0.0",
-          "from_ip_prefix": "0",
+          "from_ip_prefix": 0,
           "from_interface": "any",
           "from_transport": "any",
           "from_start_port": 0,
@@ -88,10 +88,10 @@ Examples:
           "to_end_port": 22,
           "to_service": null,
           "to_ip": "::",
-          "to_ip_prefix": "0",
+          "to_ip_prefix": 0,
           "comment": null,
           "from_ip": "::",
-          "from_ip_prefix": "0",
+          "from_ip_prefix": 0,
           "from_interface": "any",
           "from_transport": "any",
           "from_start_port": 0,
@@ -109,10 +109,10 @@ Examples:
           "to_start_port": null,
           "to_end_port": null,
           "to_ip": "0.0.0.0",
-          "to_ip_prefix": "0",
+          "to_ip_prefix": 0,
           "comment": null,
           "from_ip": "0.0.0.0",
-          "from_ip_prefix": "0",
+          "from_ip_prefix": 0,
           "from_interface": "any",
           "from_transport": "any",
           "from_start_port": 0,
@@ -126,14 +126,14 @@ Examples:
           "network_protocol": "ipv6",
           "to_interface": "any",
           "to_ip": "2405:204:7449:49fc:f09a:6f4a:bc93:1955",
-          "to_ip_prefix": "128",
+          "to_ip_prefix": 128,
           "to_transport": "any",
           "to_start_port": 0,
           "to_end_port": 65535,
           "to_service": null,
           "comment": null,
           "from_ip": "::",
-          "from_ip_prefix": "0",
+          "from_ip_prefix": 0,
           "from_interface": "any",
           "from_transport": "any",
           "from_start_port": 0,
@@ -147,14 +147,14 @@ Examples:
           "network_protocol": "ipv4",
           "to_interface": "en0",
           "to_ip": "10.10.10.10",
-          "to_ip_prefix": "32",
+          "to_ip_prefix": 32,
           "to_transport": "any",
           "to_start_port": 0,
           "to_end_port": 65535,
           "to_service": null,
           "comment": null,
           "from_ip": "0.0.0.0",
-          "from_ip_prefix": "0",
+          "from_ip_prefix": 0,
           "from_interface": "any",
           "from_transport": "any",
           "from_start_port": 0,