diff --git a/helpers/docker.sh b/helpers/docker.sh
index 3fa8229..85382b9 100644
--- a/helpers/docker.sh
+++ b/helpers/docker.sh
@@ -46,3 +46,34 @@ docker.exec() {
     debug "Команда: $cmd"
     $cmd
 }
+
+# Выводит информацию о контейнере
+docker.inspect() {
+    cmd="docker inspect $*"
+    debug "Команда: $cmd"
+    $cmd 2>/dev/null
+}
+
+docker.ip() { # not finished
+    if [ "$1" ]; then
+        if [ "$1" = "-a" ]; then
+            docker ps -aq \
+            | xargs -n 1 docker inspect --format '{{.Name}}{{range .NetworkSettings.Networks}} {{.IPAddress}}{{end}}' \
+            | sed -e 's#^/##' \
+            | column -t
+        elif [ "$1" = "-c" ]; then
+            docker-compose ps -q \
+            | xargs -n 1 docker inspect --format '{{.Name}}{{range .NetworkSettings.Networks}} {{.IPAddress}}{{end}}' \
+            | sed -e 's#^/##' \
+            | column -t
+        else
+            docker inspect --format '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$1"
+            docker port "$1"
+        fi
+    else
+        docker ps -q \
+        | xargs -n 1 docker inspect --format '{{.Name}}{{range .NetworkSettings.Networks}} {{.IPAddress}}{{end}}' \
+        | sed -e 's#^/##' \
+        | column -t
+    fi
+}
diff --git a/helpers/misc.sh b/helpers/misc.sh
index 199d335..00cd46d 100644
--- a/helpers/misc.sh
+++ b/helpers/misc.sh
@@ -6,10 +6,10 @@
 
 # https://askubuntu.com/a/30414
 is_full_screen() {
-    local WINDOW=$(echo $(xwininfo -id $(xdotool getactivewindow) -stats | \
-            egrep '(Width|Height):' | \
-            awk '{print $NF}') | \
-            sed -e 's/ /x/')
+    local WINDOW=$(xwininfo -id "$(xdotool getactivewindow)" -stats \
+                    | grep -E '(Width|Height):' \
+                    | awk '{print $NF}' \
+                    | sed -e 's/ /x/')
     local SCREEN=$(xdpyinfo | grep -m1 dimensions | awk '{print $2}')
     if [ "$WINDOW" = "$SCREEN" ]; then
         return 0
@@ -17,19 +17,6 @@ is_full_screen() {
     return 1
 }
 
-curltime() {
-    curl -w @- -o /dev/null -s "$@" <<'EOF'
-    time_namelookup: %{time_namelookup} sec\n
-       time_connect: %{time_connect} sec\n
-    time_appconnect: %{time_appconnect} sec\n
-   time_pretransfer: %{time_pretransfer} sec\n
-      time_redirect: %{time_redirect} sec\n
- time_starttransfer: %{time_starttransfer} sec\n
-                     ---------------\n
-         time_total: %{time_total} sec\n
-EOF
-}
-
 ytm() {
     youtube-dl \
         --extract-audio \
@@ -38,29 +25,5 @@ ytm() {
         --format bestaudio \
         --write-info-json \
         --output "$HOME/Downloads/ytm/%(playlist_title)s/%(channel)s - %(title)s.%(ext)s" \
-        $*
-}
-
-docker.ip() { # not finished
-    if [ "$1" ]; then
-        if [ "$1" = "-a" ]; then
-            docker ps -aq \
-            | xargs -n 1 docker inspect --format '{{.Name}}{{range .NetworkSettings.Networks}} {{.IPAddress}}{{end}}' \
-            | sed -e 's#^/##' \
-            | column -t
-        elif [ "$1" = "-c" ]; then
-            docker-compose ps -q \
-            | xargs -n 1 docker inspect --format '{{.Name}}{{range .NetworkSettings.Networks}} {{.IPAddress}}{{end}}' \
-            | sed -e 's#^/##' \
-            | column -t
-        else
-            docker inspect --format '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$1"
-            docker port "$1"
-        fi
-    else
-        docker ps -q \
-        | xargs -n 1 docker inspect --format '{{.Name}}{{range .NetworkSettings.Networks}} {{.IPAddress}}{{end}}' \
-        | sed -e 's#^/##' \
-        | column -t
-    fi
+        "$@"
 }
diff --git a/helpers/net.sh b/helpers/net.sh
new file mode 100644
index 0000000..fe77de7
--- /dev/null
+++ b/helpers/net.sh
@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+########################################################
+# Networking functions
+########################################################
+
+get_current_ip() {
+    local CURRENT_IP
+    [ -f /etc/os-release ] && source /etc/os-release
+    case "$ID" in
+        debian|ubuntu) CURRENT_IP=$(hostname -I | awk '{print $1}') ;;
+        alpine) CURRENT_IP=$(ip -4 addr show eth0 | awk '/inet / {print $2}' | cut -d/ -f1 | head -n 1) ;;
+        *) CURRENT_IP="Unknown" ;;
+    esac
+    echo "$CURRENT_IP"
+}
+
+get_external_ip() {
+    local ip="$(curl -s https://api.myip.com | jq .ip)"
+    echo "$ip" | tr -d '"'
+}
+
+is_valid_ipv4() {
+    local ip="$1"
+    local regex="^([0-9]{1,3}\.){3}[0-9]{1,3}$"
+
+    if [[ $ip =~ $regex ]]; then
+        IFS='.' read -r -a parts <<< "$ip"
+        for part in "${parts[@]}"; do
+            if ! [[ $part =~ ^[0-9]+$ ]] || ((part < 0 || part > 255)); then
+                return 1
+            fi
+        done
+        return 0
+    fi
+    return 1
+}
+
+curltime() {
+    curl -w @- -o /dev/null -s "$@" <<'EOF'
+    time_namelookup: %{time_namelookup} sec\n
+       time_connect: %{time_connect} sec\n
+    time_appconnect: %{time_appconnect} sec\n
+   time_pretransfer: %{time_pretransfer} sec\n
+      time_redirect: %{time_redirect} sec\n
+ time_starttransfer: %{time_starttransfer} sec\n
+                     ---------------\n
+         time_total: %{time_total} sec\n
+EOF
+}
+