~优化新手引导中启用IP转发的提示及实现逻辑

2026-09-08 13:46:33 +00:00 · 2026-08-02 10:39:00 +08:00
parent c2d9e441d2
commit 0ab3fade1b
3 changed files with 8 additions and 3 deletions
@@ -75,10 +75,13 @@ forwhat() {
            if [ "$(cat /proc/sys/net/ipv4/ip_forward)" = "0" ]; then
                separator_line "-"
                content_line "\033[33m$UG_IP_FORWARD_WARN\033[0m"
+				[ "$systype" = 'container' ] && content_line "\033[31m$UG_CONTAINER_WARN\033[0m"
                read -r -p "$COMMON_INPUT_R" res
                [ "$res" = 1 ] && {
-                    echo 'net.ipv4.ip_forward = 1' >>/etc/sysctl.conf
-                    sysctl -w net.ipv4.ip_forward=1
+                    grep -q '^net\.ipv4\.ip_forward' /etc/sysctl.conf \
+                    && sed -i 's/^net\.ipv4\.ip_forward.*/net.ipv4.ip_forward = 1/' /etc/sysctl.conf \
+                    || echo 'net.ipv4.ip_forward = 1' >> /etc/sysctl.conf
+                    sysctl -p /etc/sysctl.conf
                }
            fi
            # 禁止docker启用的net.bridge.bridge-nf-call-iptables