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-rw-r--r--etc/sysctl.d/99-sysctl.conf7
1 files changed, 7 insertions, 0 deletions
diff --git a/etc/sysctl.d/99-sysctl.conf b/etc/sysctl.d/99-sysctl.conf
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+++ b/etc/sysctl.d/99-sysctl.conf
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+# at least `net.ipv4.ip_forward = 1` is needed for wireguard masquerade? to work. Without will result into can't ping ips, can't curl websites, browser can't visit websites
+# ka seems has this as default, maybe arch linux cloud-init image has this as default?
+# https://forums.rockylinux.org/t/wireguard-masquerade-wont-work/7752
+# https://wiki.archlinux.org/title/Nftables#NAT_with_port_forwarding
+# https://github.com/teddysun/across/blob/acef6b00a6ad062c0e99286ea136d1a246def644/wireguard.sh#L514-L522
+net.ipv4.ip_forward = 1
+net.ipv6.conf.all.forwarding = 1