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260
port-info/port_info.sh
Executable file
260
port-info/port_info.sh
Executable file
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#!/bin/bash
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#===============================================================================
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# Linux 端口信息查看脚本
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# 兼容: Ubuntu / Debian 及衍生版
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# 功能: 显示 TCP、UDP、HTTP 端口服务信息
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#===============================================================================
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##
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RED='\033[38;5;196m'
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GREEN='\033[38;5;46m'
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YELLOW='\033[38;5;226m'
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BLUE='\033[38;5;21m'
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MAGENTA='\033[38;5;201m'
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CYAN='\033[38;5;51m'
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WHITE='\033[38;5;255m'
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ORANGE='\033[38;5;208m'
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PINK='\033[38;5;219m'
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LIME='\033[38;5;154m'
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PURPLE='\033[38;5;141m'
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GOLD='\033[38;5;220m'
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GRAY='\033[38;5;244m'
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NC='\033[0m'
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SEPARATOR="━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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#===============================================================================
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check_commands() {
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# echo -e "${CYAN}▸ 检测命令...${NC}"
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if command -v ss &> /dev/null; then
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PORT_CMD="ss"
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elif command -v netstat &> /dev/null; then
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PORT_CMD="netstat"
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else
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echo -e "${RED}✗ 错误: 未找到 ss 或 netstat 命令${NC}"
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echo -e "${YELLOW} 请安装: apt-get install net-tools${NC}"
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exit 1
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fi
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# echo -e "${GREEN}✓ 使用命令: ${PORT_CMD}${NC}"
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}
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#===============================================================================
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##
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get_service_name() {
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local port=$1
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case $port in
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20) echo "FTP-DATA" ;;
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21) echo "FTP" ;;
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22) echo "SSH" ;;
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23) echo "Telnet" ;;
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25) echo "SMTP" ;;
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53) echo "DNS" ;;
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67|68) echo "DHCP" ;;
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80) echo "HTTP" ;;
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110) echo "POP3" ;;
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123) echo "NTP" ;;
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443) echo "HTTPS" ;;
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3306) echo "MySQL" ;;
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3389) echo "RDP" ;;
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5432) echo "PostgreSQL" ;;
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6379) echo "Redis" ;;
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8080) echo "HTTP-Proxy" ;;
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8443) echo "HTTPS-Alt" ;;
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27017) echo "MongoDB" ;;
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*) echo "未知" ;;
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esac
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}
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#===============================================================================
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show_tcp_ports() {
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echo -e "\n${SEPARATOR}"
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echo -e "${BLUE} 🔵 TCP 端口监听列表 ${NC}"
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echo -e "${SEPARATOR}"
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printf "${GREEN}%-6s %-10s %-14s %-10s %-20s${NC}\n" "协议" "端口" "服务(参考)" "PID" "进程名称"
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echo -e "${GRAY}──────────────────────────────────────────────────────────────────────────────${NC}"
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if [ "$PORT_CMD" = "ss" ]; then
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ss -tulnp 2>/dev/null | grep LISTEN | while IFS= read -r line; do
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addr=$(echo "$line" | awk '{print $5}')
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port="${addr##*:}"
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[[ "$port" =~ ^[0-9]+$ ]] || continue
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prog_field=$(echo "$line" | awk '{print $NF}')
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pid=$(echo "$prog_field" | grep -oP 'pid=\K[0-9]+' | head -1)
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name=$(echo "$prog_field" | sed -n 's/.*("\([^"]*\)".*/\1/p' | head -1)
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[ -z "$pid" ] && pid="-"
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[ -z "$name" ] && name="-"
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service=$(get_service_name "$port")
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printf "TCP|%-10s|%-14s|%-10s|%-20s\n" "$port" "$service" "$pid" "$name"
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done | sort -t'|' -k2 -n | uniq | while IFS='|' read -r p s rv pi n; do
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printf "${LIME}%-6s${NC} %-10s${NC} %-14s${NC} %-10s${NC} %-20s${NC}\n" "$p" "$s" "$rv" "$pi" "$n"
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done
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else
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netstat -tulnp 2>/dev/null | grep LISTEN | while read -r line; do
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port=$(echo "$line" | awk '{split($4,a,":"); print a[length(a)]}')
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[[ "$port" =~ ^[0-9]+$ ]] || continue
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prog=$(echo "$line" | awk '{print $NF}')
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pid=$(echo "$prog" | cut -d'/' -f1)
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name=$(echo "$prog" | cut -d'/' -f2 | cut -d' ' -f1)
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[ -z "$pid" ] && pid="-"
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[ -z "$name" ] && name="-"
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service=$(get_service_name "$port")
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printf "TCP|%-10s|%-14s|%-10s|%-20s\n" "$port" "$service" "$pid" "$name"
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done | sort -t'|' -k2 -n | uniq | while IFS='|' read -r p s rv pi n; do
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printf "${LIME}%-6s${NC} %-10s${NC} %-14s${NC} %-10s${NC} %-20s${NC}\n" "TCP" "$p" "$s" "$pi" "$n"
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done
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fi
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echo -e "${GRAY}──────────────────────────────────────────────────────────────────────────────${NC}"
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}
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#===============================================================================
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show_udp_ports() {
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echo -e "\n${SEPARATOR}"
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echo -e "${MAGENTA} 🟣 UDP 端口监听列表 ${NC}"
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echo -e "${SEPARATOR}"
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printf "${PINK}%-6s %-10s %-14s %-10s %-20s${NC}\n" "协议" "端口" "服务(参考)" "PID" "进程名称"
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echo -e "${GRAY}──────────────────────────────────────────────────────────────────────────────${NC}"
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if [ "$PORT_CMD" = "ss" ]; then
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ss -ulnp 2>/dev/null | awk 'NR>1 && $1!="State"' | while IFS= read -r line; do
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addr=$(echo "$line" | awk '{print $4}')
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port="${addr##*:}"
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[[ "$port" =~ ^[0-9]+$ ]] || continue
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prog_field=$(echo "$line" | awk '{print $NF}')
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pid=$(echo "$prog_field" | grep -oP 'pid=\K[0-9]+' | head -1)
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name=$(echo "$prog_field" | sed -n 's/.*("\([^"]*\)".*/\1/p' | head -1)
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[ -z "$pid" ] && pid="-"
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[ -z "$name" ] && name="-"
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service=$(get_service_name "$port")
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printf "UDP|%-10s|%-14s|%-10s|%-20s\n" "$port" "$service" "$pid" "$name"
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done | sort -t'|' -k2 -n | uniq | while IFS='|' read -r p s rv pi n; do
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printf "${LIME}%-6s${NC} %-10s${NC} %-14s${NC} %-10s${NC} %-20s${NC}\n" "$p" "$s" "$rv" "$pi" "$n"
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done
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else
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netstat -ulnp 2>/dev/null | awk 'NR>1' | while read -r line; do
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port=$(echo "$line" | awk '{split($4,a,":"); print a[length(a)]}')
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[[ "$port" =~ ^[0-9]+$ ]] || continue
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prog=$(echo "$line" | awk '{print $NF}')
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pid=$(echo "$prog" | cut -d'/' -f1)
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name=$(echo "$prog" | cut -d'/' -f2 | cut -d' ' -f1)
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[ -z "$pid" ] && pid="-"
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[ -z "$name" ] && name="-"
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service=$(get_service_name "$port")
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printf "UDP|%-10s|%-14s|%-10s|%-20s\n" "$port" "$service" "$pid" "$name"
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done | sort -t'|' -k2 -n | uniq | while IFS='|' read -r p s rv pi n; do
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printf "${LIME}%-6s${NC} %-10s${NC} %-14s${NC} %-10s${NC} %-20s${NC}\n" "$p" "$s" "$rv" "$pi" "$n"
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done
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fi
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echo -e "${GRAY}──────────────────────────────────────────────────────────────────────────────${NC}"
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}
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#===============================================================================
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show_http_ports() {
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echo -e "\n${SEPARATOR}"
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echo -e "${YELLOW} 🟡 HTTP/HTTPS 常用端口 ${NC}"
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echo -e "${SEPARATOR}"
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printf "${ORANGE}%-6s %-10s %-14s %-10s %-10s %-20s${NC}\n" "协议" "端口" "服务(参考)" "状态" "PID" "进程名称"
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echo -e "${GRAY}────────────────────────────────────────────────────────────────────────────────────────${NC}"
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http_ports="80 443 8080 8443 8000 8888 3000 5000"
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for port in $http_ports; do
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if [ "$PORT_CMD" = "ss" ]; then
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result=$(ss -tulnp 2>/dev/null | grep ":$port " | grep -v grep)
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if [ -n "$result" ]; then
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proto=$(echo "$result" | awk '{print $1}' | head -1 | tr '[:upper:]' '[:lower:]')
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prog_field=$(echo "$result" | awk '{print $NF}')
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pid=$(echo "$prog_field" | grep -oP 'pid=\K[0-9]+' | head -1)
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name=$(echo "$prog_field" | sed -n 's/.*("\([^"]*\)".*/\1/p' | head -1)
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[ -z "$pid" ] && pid="-"
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[ -z "$name" ] && name="-"
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service=$(get_service_name "$port")
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printf "${LIME}%-6s${NC} %-10s${NC} %-14s${NC} %-10s${NC} %-10s${NC} %-20s${NC}\n" "$proto" "$port" "$service" "监听中" "$pid" "$name"
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fi
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else
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result=$(netstat -tulnp 2>/dev/null | grep ":$port " | grep -v grep)
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if [ -n "$result" ]; then
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proto=$(echo "$result" | awk '{print $6}' | head -1 | tr '[:upper:]' '[:lower:]')
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prog=$(echo "$result" | awk '{print $7}')
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pid=$(echo "$prog" | cut -d'/' -f1)
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name=$(echo "$prog" | cut -d'/' -f2 | cut -d' ' -f1)
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[ -z "$pid" ] && pid="-"
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[ -z "$name" ] && name="-"
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service=$(get_service_name "$port")
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printf "${LIME}%-6s${NC} %-10s${NC} %-14s${NC} %-10s${NC} %-10s${NC} %-20s${NC}\n" "$proto" "$port" "$service" "监听中" "$pid" "$name"
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fi
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fi
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done
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echo -e "${GRAY}────────────────────────────────────────────────────────────────────────────────────────${NC}"
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echo -e "${GRAY}※ 服务(参考) 列为常用端口的默认服务名称，仅供参考，实际占用程序以进程名称列为准${NC}"
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}
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#===============================================================================
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show_statistics() {
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echo -e "\n${SEPARATOR}"
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echo -e "${CYAN} 📊 端口统计信息 ${NC}"
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echo -e "${SEPARATOR}"
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if [ "$PORT_CMD" = "ss" ]; then
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tcp_count=$(ss -tuln 2>/dev/null | grep -c LISTEN)
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udp_count=$(ss -uln 2>/dev/null | awk 'NR>1 && $1 != "State" && /:[0-9]+/ {print}' | wc -l)
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else
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tcp_count=$(netstat -tuln 2>/dev/null | grep -c LISTEN)
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udp_count=$(netstat -uln 2>/dev/null | awk 'NR>1 && /:[0-9]+/ {print}' | wc -l)
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fi
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total=$((tcp_count + udp_count))
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printf " ${BLUE}TCP 监听端口:${NC} ${GREEN}%d${NC}\n" "$tcp_count"
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printf " ${MAGENTA}UDP 监听端口:${NC} ${GREEN}%d${NC}\n" "$udp_count"
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printf " ${YELLOW}总 计:${NC} ${ORANGE}%d${NC}\n" "$total"
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}
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#===============================================================================
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show_header() {
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clear
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echo -e ""
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echo -e "${SEPARATOR}"
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echo -e "${PURPLE} ║ Linux 系统端口信息查看工具${NC}"
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echo -e "${SEPARATOR}"
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echo -e " ${GOLD}▸ 兼容系统:${NC} ${WHITE}Ubuntu / Debian 及衍生版本${NC}"
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echo -e " ${GOLD}▸ 生成时间:${NC} ${WHITE}$(date '+%Y-%m-%d %H:%M:%S')${NC}"
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echo -e "${SEPARATOR}"
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}
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#===============================================================================
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main() {
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show_header
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check_commands
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show_tcp_ports
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show_udp_ports
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show_http_ports
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show_statistics
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}
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main
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