WSL2 无法启用 ufw

分类：编程问答

如何解决WSL2 无法启用 ufw

对 WSL2 感兴趣。这是我进入 Linux 的方式，并在我决定安装 Nginx 并在 ufw 中允许它之前搞砸了一段时间。当我启用它时：

sudo ufw enable

它的回应是：

ERROR: problem running ufw-init
iptables-restore v1.8.4 (legacy): Couldn't load match `limit':No such file or directory

Error occurred at line: 63
Try `iptables-restore -h' or 'iptables-restore --help' for more information.
iptables-restore v1.8.4 (legacy): Couldn't load match `limit':No such file or directory

Error occurred at line: 21
Try `iptables-restore -h' or 'iptables-restore --help' for more information.

Problem running '/etc/ufw/before.rules'
Problem running '/etc/ufw/user.rules'

所以，我已经尝试了很多东西。首先重启服务，然后重置ufw，卸载重装。在某些时候，我决定切换到 Ubuntu 18.04 而不是 20.04，但遇到了非常相似的错误。

ERROR: problem running ufw-init
modprobe: FATAL: Module nf_conntrack_ftp not found in directory /lib/modules/5.4.72-microsoft-standard-WSL2
modprobe: FATAL: Module nf_nat_ftp not found in directory /lib/modules/5.4.72-microsoft-standard-WSL2
modprobe: FATAL: Module nf_conntrack_netbios_ns not found in directory /lib/modules/5.4.72-microsoft-standard-WSL2
iptables-restore: line 75 failed
iptables-restore: line 27 failed
ip6tables-restore: line 27 failed

Problem running '/etc/ufw/before.rules'
Problem running '/etc/ufw/user.rules'
Problem running '/etc/ufw/user6.rules'

我去文件中评论该行，并取得了一些成功，可以解决前两个错误，但不是最后一个。我为 Windows 防火墙添加了一条规则，尝试使用 Debian 发行版，这让我得到了比这两个更糟糕的东西。

ERROR: problem running ufw-init
modprobe: ERROR: ../libkmod/libkmod.c:586 kmod_search_moddep() could not open moddep file '/lib/modules/5.4.72-microsoft-standard-WSL2/modules.dep.bin'
modprobe: FATAL: Module nf_conntrack_ftp not found in directory /lib/modules/5.4.72-microsoft-standard-WSL2
modprobe: ERROR: ../libkmod/libkmod.c:586 kmod_search_moddep() could not open moddep file '/lib/modules/5.4.72-microsoft-standard-WSL2/modules.dep.bin'
modprobe: FATAL: Module nf_nat_ftp not found in directory /lib/modules/5.4.72-microsoft-standard-WSL2
modprobe: ERROR: ../libkmod/libkmod.c:586 kmod_search_moddep() could not open moddep file '/lib/modules/5.4.72-microsoft-standard-WSL2/modules.dep.bin'
modprobe: FATAL: Module nf_conntrack_netbios_ns not found in directory /lib/modules/5.4.72-microsoft-standard-WSL2
iptables-restore v1.8.2 (nf_tables):
line 22: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 23: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 24: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 25: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 26: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 27: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 29: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 30: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 31: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 32: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 33: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 34: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 36: RULE_APPEND failed (No such file or directory): rule in chain FORWARD
line 41: RULE
iptables-restore v1.8.2 (nf_tables): Couldn't load match `conntrack':No such file or directory

Error occurred at line: 2
Try `iptables-restore -h' or 'iptables-restore --help' for more information.
iptables-restore v1.8.2 (nf_tables):
line 5: RULE_APPEND failed (No such file or directory): rule in chain ufw-skip-to-policy-input
line 6: RULE_APPEND failed (No such file or directory): rule in chain ufw-skip-to-policy-output
line 7: RULE_APPEND failed (No such file or directory): rule in chain ufw-skip-to-policy-forward
iptables-restore v1.8.2 (nf_tables): Couldn't load match `conntrack':No such file or directory

Error occurred at line: 25
Try `iptables-restore -h' or 'iptables-restore --help' for more information.
iptables-restore v1.8.2 (nf_tables): unknown option "--dport"
Error occurred at line: 19
Try `iptables-restore -h' or 'iptables-restore --help' for more information.
iptables-restore v1.8.2 (nf_tables): unknown option "--log-prefix"
Error occurred at line: 21
Try `iptables-restore -h' or 'iptables-restore --help' for more information.
iptables-restore v1.8.2 (nf_tables): Chain 'ufw-before-input' does not exist
ip6tables-restore v1.8.2 (nf_tables):
line 22: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 23: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 24: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 25: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 26: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 27: RULE_APPEND failed (No such file or directory): rule in chain INPUT
line 29: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 30: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 31: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 32: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 33: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 34: RULE_APPEND failed (No such file or directory): rule in chain OUTPUT
line 36: RULE_APPEND failed (No such file or directory): rule in chain FORWARD
line 41: RULE
ip6tables-restore v1.8.2 (nf_tables): Couldn't load match `conntrack':No such file or directory

Error occurred at line: 2
Try `ip6tables-restore -h' or 'ip6tables-restore --help' for more information.
ip6tables-restore v1.8.2 (nf_tables):
line 5: RULE_APPEND failed (No such file or directory): rule in chain ufw6-skip-to-policy-input
line 6: RULE_APPEND failed (No such file or directory): rule in chain ufw6-skip-to-policy-output
line 7: RULE_APPEND failed (No such file or directory): rule in chain ufw6-skip-to-policy-forward
ip6tables-restore v1.8.2 (nf_tables): Couldn't load match `rt':No such file or directory

Error occurred at line: 24
Try `ip6tables-restore -h' or 'ip6tables-restore --help' for more information.
ip6tables-restore v1.8.2 (nf_tables): unknown option "--dport"
Error occurred at line: 19
Try `ip6tables-restore -h' or 'ip6tables-restore --help' for more information.
ip6tables-restore v1.8.2 (nf_tables): unknown option "--log-prefix"
Error occurred at line: 21
Try `ip6tables-restore -h' or 'ip6tables-restore --help' for more information.
ip6tables-restore v1.8.2 (nf_tables): Chain 'ufw6-before-input' does not exist

Problem running '/etc/ufw/before.rules'
Problem running '/etc/ufw/after.rules'
Problem running '/etc/ufw/user.rules'
Problem running '/etc/ufw/before6.rules'
Problem running '/etc/ufw/after6.rules'
Problem running '/etc/ufw/user6.rules'

因此，我进行了疯狂的猜测，并假设问题来自 Windows 本身而不是 WSL2，但我没有在网上找到任何可以帮助我的信息。有些我在这里。

有人知道什么可以帮助我吗？ 谢谢。

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