diff --git a/virtweb_backend/src/libvirt_lib_structures/nwfilter.rs b/virtweb_backend/src/libvirt_lib_structures/nwfilter.rs
index 68944cb..b429a69 100644
--- a/virtweb_backend/src/libvirt_lib_structures/nwfilter.rs
+++ b/virtweb_backend/src/libvirt_lib_structures/nwfilter.rs
@@ -227,7 +227,7 @@ pub struct NetworkFilterRuleProtocolLayer4<IPv> {
     pub comment: Option<String>,
 }
 
-#[derive(serde::Serialize, serde::Deserialize, Debug)]
+#[derive(serde::Serialize, serde::Deserialize, Debug, Default)]
 #[serde(rename = "rule")]
 pub struct NetworkFilterRuleXML {
     #[serde(rename(serialize = "@action"))]
@@ -275,7 +275,7 @@ pub struct NetworkFilterRuleXML {
 
     /// Match ICMP protocol
     #[serde(default, rename = "icmp", skip_serializing_if = "Vec::is_empty")]
-    pub imcp_selectors: Vec<NetworkFilterRuleProtocolLayer4<Ipv4Addr>>,
+    pub icmp_selectors: Vec<NetworkFilterRuleProtocolLayer4<Ipv4Addr>>,
 
     /// Match TCP IPv6 protocol
     #[serde(default, rename = "tcp-ipv6", skip_serializing_if = "Vec::is_empty")]
diff --git a/virtweb_backend/src/libvirt_rest_structures/nw_filter.rs b/virtweb_backend/src/libvirt_rest_structures/nw_filter.rs
index 535d1f0..69a2dbb 100644
--- a/virtweb_backend/src/libvirt_rest_structures/nw_filter.rs
+++ b/virtweb_backend/src/libvirt_rest_structures/nw_filter.rs
@@ -96,14 +96,14 @@ fn extract_ip_or_var<const V: usize>(
     Ok(n.as_ref().map(|n| n.0.to_string()))
 }
 
-fn extract_ip_mask<const V: usize>(n: &Option<u8>) -> anyhow::Result<Option<u8>> {
+fn extract_ip_mask<const V: usize>(n: Option<u8>) -> anyhow::Result<Option<u8>> {
     if let Some(mask) = n {
-        if !net_utils::is_mask_valid(V, *mask) {
-            return Err(NetworkFilterExtraction(format!("Invalid IPv{V} mask! {}", mask)).into());
+        if !net_utils::is_mask_valid(V, mask) {
+            return Err(NetworkFilterExtraction(format!("Invalid IPv{V} mask! {mask}")).into());
         }
     }
 
-    Ok(*n)
+    Ok(n)
 }
 
 fn extract_nw_filter_comment(n: &Option<String>) -> anyhow::Result<Option<String>> {
@@ -192,6 +192,211 @@ impl NetworkFilterChain {
     }
 }
 
+#[derive(serde::Serialize, serde::Deserialize, Debug, Copy, Clone)]
+#[serde(rename_all = "lowercase")]
+pub enum NetworkFilterAction {
+    /// matching the rule silently discards the packet with no further analysis
+    Drop,
+    /// matching the rule generates an ICMP reject message with no further analysis
+    Reject,
+    /// matching the rule accepts the packet with no further analysis
+    Accept,
+    /// matching the rule passes this filter, but returns control to the calling filter for further
+    /// analysis
+    Return,
+    /// matching the rule goes on to the next rule for further analysis
+    Continue,
+}
+
+impl NetworkFilterAction {
+    pub fn from_xml(xml: &str) -> anyhow::Result<Self> {
+        Ok(match xml {
+            "drop" => Self::Drop,
+            "reject" => Self::Reject,
+            "accept" => Self::Accept,
+            "return" => Self::Return,
+            "continue" => Self::Continue,
+            s => {
+                return Err(LibVirtStructError::ParseFilteringChain(format!(
+                    "Unkown filter action {s}!"
+                ))
+                .into());
+            }
+        })
+    }
+
+    pub fn to_xml(&self) -> String {
+        match self {
+            Self::Drop => "drop",
+            Self::Reject => "reject",
+            Self::Accept => "accept",
+            Self::Return => "return",
+            Self::Continue => "continue",
+        }
+        .to_string()
+    }
+}
+
+#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
+#[serde(rename_all = "lowercase")]
+pub enum NetworkFilterDirection {
+    In,
+    Out,
+    InOut,
+}
+
+impl NetworkFilterDirection {
+    pub fn from_xml(xml: &str) -> anyhow::Result<Self> {
+        Ok(match xml {
+            "in" => Self::In,
+            "out" => Self::Out,
+            "inout" => Self::InOut,
+            s => {
+                return Err(LibVirtStructError::ParseFilteringChain(format!(
+                    "Unkown filter direction {s}!"
+                ))
+                .into());
+            }
+        })
+    }
+
+    pub fn to_xml(&self) -> String {
+        match self {
+            NetworkFilterDirection::In => "in",
+            NetworkFilterDirection::Out => "out",
+            NetworkFilterDirection::InOut => "inout",
+        }
+        .to_string()
+    }
+}
+
+#[derive(serde::Serialize, serde::Deserialize, Debug, Copy, Clone)]
+pub enum Layer4State {
+    NEW,
+    ESTABLISHED,
+    RELATED,
+    INVALID,
+    NONE,
+}
+
+impl Layer4State {
+    pub fn from_xml(xml: &str) -> anyhow::Result<Self> {
+        Ok(match xml {
+            "NEW" => Self::NEW,
+            "ESTABLISHED" => Self::ESTABLISHED,
+            "RELATED" => Self::RELATED,
+            "INVALID" => Self::INVALID,
+            "NONE" => Self::NONE,
+            s => {
+                return Err(LibVirtStructError::ParseFilteringChain(format!(
+                    "Unkown layer4 state '{s}'!"
+                ))
+                .into());
+            }
+        })
+    }
+
+    pub fn to_xml(&self) -> String {
+        match self {
+            Self::NEW => "NEW",
+            Self::ESTABLISHED => "ESTABLISHED",
+            Self::RELATED => "RELATED",
+            Self::INVALID => "INVALID",
+            Self::NONE => "NONE",
+        }
+        .to_string()
+    }
+}
+
+#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
+pub struct NetworkSelectorMac {
+    src_mac_addr: Option<NetworkFilterMacAddressOrVar>,
+    src_mac_mask: Option<NetworkFilterMacAddressOrVar>,
+    dst_mac_addr: Option<NetworkFilterMacAddressOrVar>,
+    dst_mac_mask: Option<NetworkFilterMacAddressOrVar>,
+    comment: Option<String>,
+}
+
+#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
+pub struct NetworkSelectorARP {
+    srcmacaddr: Option<NetworkFilterMacAddressOrVar>,
+    srcmacmask: Option<NetworkFilterMacAddressOrVar>,
+    dstmacaddr: Option<NetworkFilterMacAddressOrVar>,
+    dstmacmask: Option<NetworkFilterMacAddressOrVar>,
+    arpsrcipaddr: Option<NetworkFilterIPv4OrVar>,
+    arpsrcipmask: Option<u8>,
+    arpdstipaddr: Option<NetworkFilterIPv4OrVar>,
+    arpdstipmask: Option<u8>,
+    comment: Option<String>,
+}
+
+#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
+pub struct NetworkFilterSelectorIP<const V: usize> {
+    srcmacaddr: Option<NetworkFilterMacAddressOrVar>,
+    srcmacmask: Option<NetworkFilterMacAddressOrVar>,
+    dstmacaddr: Option<NetworkFilterMacAddressOrVar>,
+    dstmacmask: Option<NetworkFilterMacAddressOrVar>,
+    srcipaddr: Option<NetworkFilterIPOrVar<V>>,
+    srcipmask: Option<u8>,
+    dstipaddr: Option<NetworkFilterIPOrVar<V>>,
+    dstipmask: Option<u8>,
+    comment: Option<String>,
+}
+
+#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
+pub struct NetworkFilterSelectorLayer4<IPv> {
+    srcmacaddr: Option<NetworkFilterMacAddressOrVar>,
+    srcipaddr: Option<IPv>,
+    srcipmask: Option<u8>,
+    dstipaddr: Option<IPv>,
+    dstipmask: Option<u8>,
+    /// Start of range of source IP address
+    srcipfrom: Option<IPv>,
+    /// End of range of source IP address
+    srcipto: Option<IPv>,
+    /// Start of range of destination IP address
+    dstipfrom: Option<IPv>,
+    /// End of range of destination IP address
+    dstipto: Option<IPv>,
+    srcportstart: Option<u16>,
+    srcportend: Option<u16>,
+    dstportstart: Option<u16>,
+    dstportend: Option<u16>,
+    state: Option<Layer4State>,
+    comment: Option<String>,
+}
+
+#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
+#[serde(tag = "type", rename_all = "lowercase")]
+pub enum NetworkFilterSelector {
+    All,
+    Mac(NetworkSelectorMac),
+    Arp(NetworkSelectorARP),
+    Rarp(NetworkSelectorARP),
+    IPv4(NetworkFilterSelectorIP<4>),
+    IPv6(NetworkFilterSelectorIP<6>),
+    TCP(NetworkFilterSelectorLayer4<Ipv4Addr>),
+    UDP(NetworkFilterSelectorLayer4<Ipv4Addr>),
+    SCTP(NetworkFilterSelectorLayer4<Ipv4Addr>),
+    ICMP(NetworkFilterSelectorLayer4<Ipv4Addr>),
+    TCPipv6(NetworkFilterSelectorLayer4<Ipv6Addr>),
+    UDPipv6(NetworkFilterSelectorLayer4<Ipv6Addr>),
+    SCTPipv6(NetworkFilterSelectorLayer4<Ipv6Addr>),
+    ICMPipv6(NetworkFilterSelectorLayer4<Ipv6Addr>),
+}
+
+#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
+pub struct NetworkFilterRule {
+    action: NetworkFilterAction,
+    direction: NetworkFilterDirection,
+    /// optional; the priority of the rule controls the order in which the rule will be instantiated
+    /// relative to other rules
+    ///
+    /// Valid values are in the range of -1000 to 1000.
+    priority: Option<i32>,
+    selectors: Vec<NetworkFilterSelector>,
+}
+
 /// Network filter definition
 #[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
 pub struct NetworkFilter {
@@ -251,8 +456,8 @@ impl NetworkFilter {
 
     fn lib2rest_process_layer4_rule<IPv: Copy>(
         n: &NetworkFilterRuleProtocolLayer4<IPv>,
-    ) -> anyhow::Result<NetworkSelectorLayer4<IPv>> {
-        Ok(NetworkSelectorLayer4 {
+    ) -> anyhow::Result<NetworkFilterSelectorLayer4<IPv>> {
+        Ok(NetworkFilterSelectorLayer4 {
             srcmacaddr: n.srcmacaddr.as_ref().map(|v| v.into()),
             srcipaddr: n.srcipaddr,
             srcipmask: n.srcipmask,
@@ -362,7 +567,7 @@ impl NetworkFilter {
             );
             selectors.append(
                 &mut rule
-                    .imcp_selectors
+                    .icmp_selectors
                     .iter()
                     .map(|r| {
                         Ok(NetworkFilterSelector::ICMP(
@@ -468,9 +673,33 @@ impl NetworkFilter {
             dstmacaddr: extract_mac_address_or_var(&selector.dstmacaddr)?,
             dstmacmask: extract_mac_address_or_var(&selector.dstmacmask)?,
             srcipaddr: extract_ip_or_var(&selector.srcipaddr)?,
-            srcipmask: extract_ip_mask::<V>(&selector.srcipmask)?,
+            srcipmask: extract_ip_mask::<V>(selector.srcipmask)?,
             dstipaddr: extract_ip_or_var(&selector.dstipaddr)?,
-            dstipmask: extract_ip_mask::<V>(&selector.dstipmask)?,
+            dstipmask: extract_ip_mask::<V>(selector.dstipmask)?,
+            comment: extract_nw_filter_comment(&selector.comment)?,
+        })
+    }
+
+    fn rest2lib_process_layer4_selector<IPv: Copy>(
+        selector: &NetworkFilterSelectorLayer4<IPv>,
+    ) -> anyhow::Result<NetworkFilterRuleProtocolLayer4<IPv>> {
+        Ok(NetworkFilterRuleProtocolLayer4 {
+            srcmacaddr: extract_mac_address_or_var(&selector.srcmacaddr)?,
+            srcipaddr: selector.srcipaddr,
+            // This IP mask is not checked
+            srcipmask: selector.srcipmask,
+            dstipaddr: selector.dstipaddr,
+            // This IP mask is not checked
+            dstipmask: selector.dstipmask,
+            srcipfrom: selector.srcipfrom,
+            srcipto: selector.srcipto,
+            dstipfrom: selector.dstipfrom,
+            dstipto: selector.dstipto,
+            srcportstart: selector.srcportstart,
+            srcportend: selector.srcportend,
+            dstportstart: selector.dstportstart,
+            dstportend: selector.dstportend,
+            state: selector.state.map(|s| s.to_xml()),
             comment: extract_nw_filter_comment(&selector.comment)?,
         })
     }
@@ -480,20 +709,7 @@ impl NetworkFilter {
             action: rule.action.to_xml(),
             direction: rule.direction.to_xml(),
             priority: rule.priority,
-            all_selectors: vec![],
-            mac_selectors: vec![],
-            arp_selectors: vec![],
-            rarp_selectors: vec![],
-            ipv4_selectors: vec![],
-            ipv6_selectors: vec![],
-            tcp_selectors: vec![],
-            udp_selectors: vec![],
-            sctp_selectors: vec![],
-            imcp_selectors: vec![],
-            tcp_ipv6_selectors: vec![],
-            udp_ipv6_selectors: vec![],
-            sctp_ipv6_selectors: vec![],
-            imcp_ipv6_selectors: vec![],
+            ..Default::default()
         };
 
         for sel in &rule.selectors {
@@ -531,14 +747,37 @@ impl NetworkFilter {
                     .ipv6_selectors
                     .push(Self::rest2lib_process_ip_selector(ip)?),
 
-                NetworkFilterSelector::TCP(_) => todo!(),
-                NetworkFilterSelector::UDP(_) => todo!(),
-                NetworkFilterSelector::SCTP(_) => todo!(),
-                NetworkFilterSelector::ICMP(_) => todo!(),
-                NetworkFilterSelector::TCPipv6(_) => todo!(),
-                NetworkFilterSelector::UDPipv6(_) => todo!(),
-                NetworkFilterSelector::SCTPipv6(_) => todo!(),
-                NetworkFilterSelector::ICMPipv6(_) => todo!(),
+                NetworkFilterSelector::TCP(tcp) => rule_xml
+                    .tcp_selectors
+                    .push(Self::rest2lib_process_layer4_selector(tcp)?),
+
+                NetworkFilterSelector::UDP(udp) => rule_xml
+                    .udp_selectors
+                    .push(Self::rest2lib_process_layer4_selector(udp)?),
+
+                NetworkFilterSelector::SCTP(sctp) => rule_xml
+                    .sctp_selectors
+                    .push(Self::rest2lib_process_layer4_selector(sctp)?),
+
+                NetworkFilterSelector::ICMP(icmp) => rule_xml
+                    .icmp_selectors
+                    .push(Self::rest2lib_process_layer4_selector(icmp)?),
+
+                NetworkFilterSelector::TCPipv6(tcpv6) => rule_xml
+                    .tcp_ipv6_selectors
+                    .push(Self::rest2lib_process_layer4_selector(tcpv6)?),
+
+                NetworkFilterSelector::UDPipv6(udpv6) => rule_xml
+                    .udp_ipv6_selectors
+                    .push(Self::rest2lib_process_layer4_selector(udpv6)?),
+
+                NetworkFilterSelector::SCTPipv6(sctpv6) => rule_xml
+                    .sctp_ipv6_selectors
+                    .push(Self::rest2lib_process_layer4_selector(sctpv6)?),
+
+                NetworkFilterSelector::ICMPipv6(icmpv6) => rule_xml
+                    .imcp_ipv6_selectors
+                    .push(Self::rest2lib_process_layer4_selector(icmpv6)?),
             }
         }
 
@@ -591,211 +830,6 @@ impl NetworkFilter {
     }
 }
 
-#[derive(serde::Serialize, serde::Deserialize, Debug, Copy, Clone)]
-#[serde(rename_all = "lowercase")]
-pub enum NetworkFilterAction {
-    /// matching the rule silently discards the packet with no further analysis
-    Drop,
-    /// matching the rule generates an ICMP reject message with no further analysis
-    Reject,
-    /// matching the rule accepts the packet with no further analysis
-    Accept,
-    /// matching the rule passes this filter, but returns control to the calling filter for further
-    /// analysis
-    Return,
-    /// matching the rule goes on to the next rule for further analysis
-    Continue,
-}
-
-impl NetworkFilterAction {
-    pub fn from_xml(xml: &str) -> anyhow::Result<Self> {
-        Ok(match xml {
-            "drop" => Self::Drop,
-            "reject" => Self::Reject,
-            "accept" => Self::Accept,
-            "return" => Self::Return,
-            "continue" => Self::Continue,
-            s => {
-                return Err(LibVirtStructError::ParseFilteringChain(format!(
-                    "Unkown filter action {s}!"
-                ))
-                .into());
-            }
-        })
-    }
-
-    pub fn to_xml(&self) -> String {
-        match self {
-            Self::Drop => "drop",
-            Self::Reject => "reject",
-            Self::Accept => "accept",
-            Self::Return => "return",
-            Self::Continue => "continue",
-        }
-        .to_string()
-    }
-}
-
-#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
-#[serde(rename_all = "lowercase")]
-pub enum NetworkFilterDirection {
-    In,
-    Out,
-    InOut,
-}
-
-impl NetworkFilterDirection {
-    pub fn from_xml(xml: &str) -> anyhow::Result<Self> {
-        Ok(match xml {
-            "in" => Self::In,
-            "out" => Self::Out,
-            "inout" => Self::InOut,
-            s => {
-                return Err(LibVirtStructError::ParseFilteringChain(format!(
-                    "Unkown filter direction {s}!"
-                ))
-                .into());
-            }
-        })
-    }
-
-    pub fn to_xml(&self) -> String {
-        match self {
-            NetworkFilterDirection::In => "in",
-            NetworkFilterDirection::Out => "out",
-            NetworkFilterDirection::InOut => "inout",
-        }
-        .to_string()
-    }
-}
-
-#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
-pub enum Layer4State {
-    NEW,
-    ESTABLISHED,
-    RELATED,
-    INVALID,
-    NONE,
-}
-
-impl Layer4State {
-    pub fn from_xml(xml: &str) -> anyhow::Result<Self> {
-        Ok(match xml {
-            "NEW" => Self::NEW,
-            "ESTABLISHED" => Self::ESTABLISHED,
-            "RELATED" => Self::RELATED,
-            "INVALID" => Self::INVALID,
-            "NONE" => Self::NONE,
-            s => {
-                return Err(LibVirtStructError::ParseFilteringChain(format!(
-                    "Unkown layer4 state '{s}'!"
-                ))
-                .into());
-            }
-        })
-    }
-
-    pub fn to_xml(&self) -> String {
-        match self {
-            Self::NEW => "NEW",
-            Self::ESTABLISHED => "ESTABLISHED",
-            Self::RELATED => "RELATED",
-            Self::INVALID => "INVALID",
-            Self::NONE => "NONE",
-        }
-        .to_string()
-    }
-}
-
-#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
-pub struct NetworkSelectorMac {
-    src_mac_addr: Option<NetworkFilterMacAddressOrVar>,
-    src_mac_mask: Option<NetworkFilterMacAddressOrVar>,
-    dst_mac_addr: Option<NetworkFilterMacAddressOrVar>,
-    dst_mac_mask: Option<NetworkFilterMacAddressOrVar>,
-    comment: Option<String>,
-}
-
-#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
-pub struct NetworkSelectorARP {
-    srcmacaddr: Option<NetworkFilterMacAddressOrVar>,
-    srcmacmask: Option<NetworkFilterMacAddressOrVar>,
-    dstmacaddr: Option<NetworkFilterMacAddressOrVar>,
-    dstmacmask: Option<NetworkFilterMacAddressOrVar>,
-    arpsrcipaddr: Option<NetworkFilterIPv4OrVar>,
-    arpsrcipmask: Option<u8>,
-    arpdstipaddr: Option<NetworkFilterIPv4OrVar>,
-    arpdstipmask: Option<u8>,
-    comment: Option<String>,
-}
-
-#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
-pub struct NetworkFilterSelectorIP<const V: usize> {
-    srcmacaddr: Option<NetworkFilterMacAddressOrVar>,
-    srcmacmask: Option<NetworkFilterMacAddressOrVar>,
-    dstmacaddr: Option<NetworkFilterMacAddressOrVar>,
-    dstmacmask: Option<NetworkFilterMacAddressOrVar>,
-    srcipaddr: Option<NetworkFilterIPOrVar<V>>,
-    srcipmask: Option<u8>,
-    dstipaddr: Option<NetworkFilterIPOrVar<V>>,
-    dstipmask: Option<u8>,
-    comment: Option<String>,
-}
-
-#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
-pub struct NetworkSelectorLayer4<IPv> {
-    srcmacaddr: Option<NetworkFilterMacAddressOrVar>,
-    srcipaddr: Option<IPv>,
-    srcipmask: Option<u8>,
-    dstipaddr: Option<IPv>,
-    dstipmask: Option<u8>,
-    /// Start of range of source IP address
-    srcipfrom: Option<IPv>,
-    /// End of range of source IP address
-    srcipto: Option<IPv>,
-    /// Start of range of destination IP address
-    dstipfrom: Option<IPv>,
-    /// End of range of destination IP address
-    dstipto: Option<IPv>,
-    srcportstart: Option<u16>,
-    srcportend: Option<u16>,
-    dstportstart: Option<u16>,
-    dstportend: Option<u16>,
-    state: Option<Layer4State>,
-    comment: Option<String>,
-}
-
-#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
-#[serde(tag = "type", rename_all = "lowercase")]
-pub enum NetworkFilterSelector {
-    All,
-    Mac(NetworkSelectorMac),
-    Arp(NetworkSelectorARP),
-    Rarp(NetworkSelectorARP),
-    IPv4(NetworkFilterSelectorIP<4>),
-    IPv6(NetworkFilterSelectorIP<6>),
-    TCP(NetworkSelectorLayer4<Ipv4Addr>),
-    UDP(NetworkSelectorLayer4<Ipv4Addr>),
-    SCTP(NetworkSelectorLayer4<Ipv4Addr>),
-    ICMP(NetworkSelectorLayer4<Ipv4Addr>),
-    TCPipv6(NetworkSelectorLayer4<Ipv6Addr>),
-    UDPipv6(NetworkSelectorLayer4<Ipv6Addr>),
-    SCTPipv6(NetworkSelectorLayer4<Ipv6Addr>),
-    ICMPipv6(NetworkSelectorLayer4<Ipv6Addr>),
-}
-
-#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
-pub struct NetworkFilterRule {
-    action: NetworkFilterAction,
-    direction: NetworkFilterDirection,
-    /// optional; the priority of the rule controls the order in which the rule will be instantiated
-    /// relative to other rules
-    ///
-    /// Valid values are in the range of -1000 to 1000.
-    priority: Option<i32>,
-    selectors: Vec<NetworkFilterSelector>,
-}
-
 #[cfg(test)]
 mod test {
     use crate::libvirt_rest_structures::nw_filter::is_var_def;