diff options
Diffstat (limited to 'nixos/doc/manual/installation/changing-config.chapter.md')
| -rw-r--r-- | nixos/doc/manual/installation/changing-config.chapter.md | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/nixos/doc/manual/installation/changing-config.chapter.md b/nixos/doc/manual/installation/changing-config.chapter.md index f2ffea9088a..12abf90b718 100644 --- a/nixos/doc/manual/installation/changing-config.chapter.md +++ b/nixos/doc/manual/installation/changing-config.chapter.md @@ -89,7 +89,7 @@ guest. For instance, the following will forward host port 2222 to guest port 22 (SSH): ```ShellSession -$ QEMU_NET_OPTS="hostfwd=tcp:127.0.0.1:2222-127.0.0.1:22" ./result/bin/run-*-vm +$ QEMU_NET_OPTS="hostfwd=tcp:127.0.0.1:2222-:22" ./result/bin/run-*-vm ``` allowing you to log in via SSH (assuming you have set the appropriate @@ -98,3 +98,8 @@ passwords or SSH authorized keys): ```ShellSession $ ssh -p 2222 localhost ``` + +Such port forwardings connect via the VM's virtual network interface. +Thus they cannot connect to ports that are only bound to the VM's +loopback interface (`127.0.0.1`), and the VM's NixOS firewall +must be configured to allow these connections. |