Starting from KeeneticOS 3.3, it is possible to use a WireGuard VPN tunnel to remotely connect to the local network of the Keenetic router.
NOTE: Important! If you plan to set up your Keenetic as a VPN server, make sure that it has a public IP address, and if you use KeenDNS, that it works in 'Direct access' mode, which also requires a public IP address. If any of these conditions are not met, you will not connect to such a server from the Internet.
First, you need to configure the WireGuard server on the Keenetic device. The following instruction shows the process: Configuring a WireGuard VPN between two Keenetic routers. Then move on to the VPN client setup.
Here is an example of how to connect to the VPN server from a Linux operating system, using CLI (terminal) for setting up the connection in Ubuntu 18.04 LTS and the graphical interface in the Linux Mint 19.3 LTS distribution.
To establish a connection to a Keenetic WireGuard server on a Linux-based computer, you must install the WireGuard package using the built-in apt package manager.
Installation and configuration options in the terminal
1. Launch the terminal and install the necessary packages needed for WireGuard to work in the terminal and configure the connection in NetworkManager GUI (a program for managing network connections): application package, kernel module, kernel header files.
[my@my-wrk-lnv ~]$ sudo apt install wireguard Reading package lists... Done Building dependency tree... Done Reading state information... Done The following additional packages will be installed: wireguard-tools Suggested packages: openresolv | resolvconf The following NEW packages will be installed: wireguard wireguard-tools 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 90,0 kB of archives. After this operation, 344 kB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://mirrors.daticum.com/ubuntu impish/universe amd64 wireguard-tools amd64 1.0.20210424-1ubuntu1 [86,9 kB] Get:2 http://mirrors.daticum.com/ubuntu impish/universe amd64 wireguard all 1.0.20210424-1ubuntu1 [3 126 B] Fetched 90,0 kB in 0s (1 181 kB/s) Selecting previously unselected package wireguard-tools. (Reading database ... 234329 files and directories currently installed.) Preparing to unpack .../wireguard-tools_1.0.20210424-1ubuntu1_amd64.deb ... Unpacking wireguard-tools (1.0.20210424-1ubuntu1) ... Selecting previously unselected package wireguard. Preparing to unpack .../wireguard_1.0.20210424-1ubuntu1_all.deb ... Unpacking wireguard (1.0.20210424-1ubuntu1) ... Setting up wireguard-tools (1.0.20210424-1ubuntu1) ... wg-quick.target is a disabled or a static unit not running, not starting it. Setting up wireguard (1.0.20210424-1ubuntu1) ... Processing triggers for man-db (2.9.4-2) ...
2. Create a Private Key and a Public Key:
[my@my-wrk-lnv ~]$ cd /etc/wireguard/ [my@my-wrk-lnv wireguard]$ umask 077 [my@my-wrk-lnv wireguard]$ sudo -i [sudo] password for my: root@my-wrk-lnv:~# cd /etc/wireguard/ root@my-wrk-lnv:/etc/wireguard# wg genkey > private-key root@my-wrk-lnv:/etc/wireguard# wg pubkey > public-key < private-key root@my-wrk-lnv:~# exit [my@my-wrk-lnv wireguard]$ sudo cat private-key AOSXWm+sXxRuu/Uo8lysE4PIwVZTRDD+YV6w3HicGHg= [my@my-wrk-lnv wireguard]$ sudo cat public-key xxKBcZlhZlbjW7yFuhZ08l294HBAp2I/iM05YE8vs0Y= [my@my-wrk-lnv wireguard]$ cd - [my@my-wrk-lnv ~]$
NOTE: Important! If you get the 'Permission denied' result after typing cd /etc/wireguard/, you do not have root access to read the directory.
[my@my-wrk-lnv ~]$ cd /etc/wireguard/ bash: cd: /etc/wireguard/: Permission denied
Change the owner, who can access the directory without root access rights:
[my@my-wrk-lnv ~]$ sudo chown -R my /etc/wireguard/ [my@my-wrk-lnv ~]$ cd /etc/wireguard [my@my-wrk-lnv wireguard]$
After configuring the connection, you can change back the owner for access to the default directory:
[my@my-wrk-lnv wireguard]$ cd - /home/my [my@my-wrk-lnv ~]$ sudo chown -R root /etc/wireguard/
3. Create the wg-client.conf configuration file:
[my@my-wrk-lnv wireguard]$ sudo touch wg-client.conf [my@my-wrk-lnv wireguard]$ ls -1 private-key public-key wg-client.conf
4. Let's add the connection settings to the created configuration file wg-client.conf by opening the file with a text editor, for example, nano:
[my@my-wrk-lnv wireguard]$ sudo nano wg-client.conf [sudo] password for my: [Interface] PrivateKey = AOSXWm+sXxRuu/Uo8lysE4PIwVZTRDD+YV6w3HicGHg= Address = 172.16.82.5/24 DNS = [Peer] PublicKey = 1YVx+x3C817V9YdhUtpUhzyDLVj5tnK2m//WjFGynm4= AllowedIPs = 172.16.82.1/32, 192.168.22.0/24 Endpoint = wgwrkserver.dynns.com:16631 PersistentKeepalive = 5
Configuring client's [Interface]:
In the client interface's 'PrivateKey' field, enter the private key created in step 2.
The key can be viewed with the cat command:
[my@my-wrk-lnv wireguard]$ sudo cat private-key AOSXWm+sXxRuu/Uo8lysE4PIwVZTRDD+YV6w3HicGHg=
In the 'Addresses' field of the client interface, specify the IP address in IP/bitmask format — 172.16.82.5/24 (this is the internal address of the tunnel). Another subnet can be used, but it must be chosen from a private address range and avoid overlap with other subnets configured on these devices.
NOTE: Important! If you have Internet access through a WireGuard VPN tunnel configured on the [Interface] side of the client, you must specify the DNS server in the 'DNS=' field.
In our example, the address of the DNS server from Google 8.8.8.8:
[Interface] PrivateKey =AOSXWm+sXxRuu/Uo8lysE4PIwVZTRDD+YV6w3HicGHg= Address = 172.16.82.5/24 DNS = 8.8.8.8 [Peer] PublicKey = 1YVx+x3C817V9YdhUtpUhzyDLVj5tnK2m//WjFGynm4= AllowedIPs = 172.16.82.1/32, 192.168.22.0/24 Endpoint = enpwgwrkserver.dynns.com:16631 PersistentKeepalive = 5
Configuring the server's [Peer]:
In the 'Public key' field, insert the public key of the server, which can be copied to the clipboard from the WireGuard settings in the router's web interface:
In the 'AllowedIPs' field, enter allowed IP addresses in IP/bitmask format — 172.16.82.1/32 (the internal server address) and 192.168.22.0/24 (address of the local segment of the Keenetic router).
In the 'Endpoint' field, enter the public IP address or domain name of the WireGuard server and the listening port on which the WireGuard client will establish communication.
In the 'PersistentKeepalive' field, enter the frequency of attempts to check the availability of the remote side of the connection. Usually, a 3-5-second interval between checks is enough.
5. Set up a remote connection on the side of the previously configured WireGuard server.
Connect to the router's web interface and go to the 'Other connections' page in the 'Internet' menu. Click on the previously created WireGuard connection ('wg-keenetic-server') and add the peer's settings. Click on 'Add peer' to open the peer settings window, in which you specify the name of the tunnel 'wg-ubuntu-home'.
In the 'Public key' field, insert the key created in step 2.
As a reminder, the key can be viewed with the cat command:
[my@my-wrk-lnv wireguard]$ sudo cat public-key xxKBcZlhZlbjW7yFuhZ08l294HBAp2I/iM05YE8vs0Y=
In the 'Allowed IPs' field, specify the address from which traffic will be allowed to the server in IP/bitmask format — 172.16.82.5/32
In the 'Persistent keepalive' field, you must specify the frequency of attempts to check the availability of the remote side of the connection. Usually, a 10-15 second interval between checks is enough. The default value of the 'Persistent keepalive' in the Keenetic peer settings is 30 seconds.
Click 'Save'.
6. Create an automatic WireGuard connection at OS startup via the Systemd initialization system, which allows you to start and manage Linux system daemons:
[my@my-wrk-lnv ~]$ sudo systemctl enable wg-quick@wg-client.service Created symlink /etc/systemd/system/multi-user.target.wants/wg-quick@wg-client.service → /lib/systemd/system/wg-quick@.service.
NOTE: Important! In the service name ***.service enter the configuration name wg-client.conf
7. Start the WireGuard connection:
[my@my-wrk-lnv ~]$ sudo systemctl start wg-quick@wg-client.service
NOTE: Important! If the service does not start, you should check the boot log with the command systemctl status wg-quick@wg-client.service or journalctl -xe:
[my@my-wrk-lnv ~]$ systemctl status wg-quick@wg-client.service wg-quick@wg-client.service - WireGuard via wg-quick(8) for wg/client Loaded: loaded (/lib/systemd/system/wg-quick@.service; indirect; vendor preset: enabled) Active: failed (Result: exit-code) since Wed 2020-04-22 19:55:59 MSK; 8s ago Docs: man:wg-quick(8)\ man:wg(8) https://www.wireguard.com/ https://www.wireguard.com/quickstart/ https://git.zx2c4.com/wireguard-tools/about/src/man/wg-quick.8 https://git.zx2c4.com/wireguard-tools/about/src/man/wg.8 Process: 8734 ExecStart=/usr/bin/wg-quick up wg-client (code=exited, status=127) Main PID: 8734 (code=exited, status=127) apr 22 19:55:59 my@my-wrk-lnv wg-quick[8734]: [#] ip link add wg-client type wireguard apr 22 19:55:59 my@my-wrk-lnv wg-quick[8734]: [#] wg setconf wg-client /dev/fd/63 apr 22 19:55:59 my@my-wrk-lnv wg-quick[8734]: [#] ip -4 address add 172.16.82.20/24 dev wg-client apr 22 19:55:59 my@my-wrk-lnv wg-quick[8734]: [#] ip link set mtu 1420 up dev wg-client apr 22 19:55:59 my@my-wrk-lnv wg-quick[8734]: [#] resolvconf -a wg-client -m 0 -x apr 22 19:55:59 my@my-wrk-lnv wg-quick[8734]: /usr/bin/wg-quick: line 31: resolvconf: command not found apr 22 19:55:59 my@my-wrk-lnv wg-quick[8734]: [#] ip link delete dev wg-client apr 22 19:55:59 my@my-wrk-lnv systemd[1]: wg-quick@wg-client.service: Main process exited, code=exited, status=127/n/a apr 22 19:55:59 my@my-wrk-lnv systemd[1]: wg-quick@wg-client.service: Failed with result 'exit-code'. apr 22 19:55:59 my@my-wrk-lnv systemd[1]: Failed to start WireGuard via wg-quick(8) for wg/client.
According to the error, there is no installed package resolvconf, which is necessary for wg-quick, install the package:
[my@my-wrk-lnv ~]$ sudo apt install resolvconf Reading package lists... Done Building dependency tree... Done Reading state information... Done The following NEW packages will be installed: resolvconf 0 upgraded, 1 newly installed, 0 to remove and 3 not upgraded. Need to get 54,7 kB of archives. After this operation, 203 kB of additional disk space will be used. Get:1 http://mirrors.daticum.com/ubuntu impish/universe amd64 resolvconf all 1.84ubuntu1 [54,7 kB] Fetched 54,7 kB in 0s (888 kB/s) Preconfiguring packages ... Selecting previously unselected package resolvconf. (Reading database ... 234409 files and directories currently installed.) Preparing to unpack .../resolvconf_1.84ubuntu1_all.deb ... Unpacking resolvconf (1.84ubuntu1) ... Setting up resolvconf (1.84ubuntu1) ... Created symlink /etc/systemd/system/sysinit.target.wants/resolvconf.service → /lib/systemd/system/resolvconf.service. Created symlink /etc/systemd/system/systemd-resolved.service.wants/resolvconf-pull-resolved.path → /lib/systemd/system/resolvconf-pull-resolved.path. Created symlink /etc/systemd/system/systemd-resolved.service.wants/resolvconf-pu ll-resolved.service → /lib/systemd/system/resolvconf-pull-resolved.service. Processing triggers for ureadahead (0.100.0-21) ... Processing triggers for man-db (2.9.4-2) ... Processing triggers for resolvconf (1.84ubuntu1) ...
After the package is installed, check that the service is running. Checking the connection:
[my@my-wrk-lnv ~]$ sudo wg interface: wg-client public key: xxKBcZlhZlbjW7yFuhZ08l294HBAp2I/iM05YE8vs0Y= private key: (hidden) listening port: 45757 peer: 1YVx+x3C817V9YdhUtpUhzyDLVj5tnK2m//WjFGynm4= endpoint: 193.0.174.159:16631 allowed ips: 172.16.82.1/32, 192.168.22.0/24 transfer: 0 B received, 148 B sent persistent keepalive: every 5 seconds
To check the availability of the server, you can send ICMP packets to the IP address:
[my@my-wrk-lnv ~]$ ping -c 10 -s 100 192.168.22.1 PING 192.168.22.1 (192.168.22.1) 100(128) bytes of data. 108 bytes from 192.168.22.1: icmp_seq=1 ttl=64 time=6.76 ms 108 bytes from 192.168.22.1: icmp_seq=2 ttl=64 time=6.70 ms 108 bytes from 192.168.22.1: icmp_seq=3 ttl=64 time=6.63 ms 108 bytes from 192.168.22.1: icmp_seq=4 ttl=64 time=6.84 ms 108 bytes from 192.168.22.1: icmp_seq=5 ttl=64 time=6.57 ms 108 bytes from 192.168.22.1: icmp_seq=6 ttl=64 time=6.24 ms 108 bytes from 192.168.22.1: icmp_seq=7 ttl=64 time=9.92 ms 108 bytes from 192.168.22.1: icmp_seq=8 ttl=64 time=9.75 ms 108 bytes from 192.168.22.1: icmp_seq=9 ttl=64 time=5.77 ms 108 bytes from 192.168.22.1: icmp_seq=10 ttl=64 time=7.03 ms --- 192.168.22.1 ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9014ms rtt min/avg/max/mdev = 5.778/7.225/9.920/1.349 ms
8. To disable WireGuard connection to start automatically at OS startup, via the Systemd initialization system, enter the following command:
[my@my-wrk-lnv ~]$ sudo systemctl disable wg-quick@wg-client.service Removed /etc/systemd/system/multi-user.target.wants/wg-quick@wg-client.service
9. To stop the WireGuard connection, enter the following command:
[my@my-wrk-lnv ~]$ sudo systemctl stop wg-quick@wg-client.service
Setup completed.
Installation and configuration option with NetworkManager
NetworkManager GUI is a graphical shell for network connection management software.
Brief command sequence:
git clone https://github.com/max-moser/network-manager-wireguard cd network-manager-wireguard ./autogen.sh --without-libnm-glib ./configure --without-libnm-glib --prefix=/usr --sysconfdir=/etc --libdir=/usr/lib/x86_64-linux-gnu --libexecdir=/usr/lib/NetworkManager --localstatedir=/var make sudo make install
NOTE: Important! If the plugin installation does not complete successfully or if there are not enough packages to install the plugin, run:
sudo apt install wireguard git dh-autoreconf libglib2.0-dev intltool build-essential libgtk-3-dev libnma-dev libsecret-1-dev network-manager-dev resolvconf
Detailed command sequence:
1. Clone the plugin code from the Github repository:
[my@my-wrk-lnv ~]$ git clone https://github.com/max-moser/network-manager-wireguard Cloning into 'network-manager-wireguard'... remote: Enumerating objects: 534, done. remote: Total 534 (delta 0), reused 0 (delta 0), pack-reused 534 Receiving objects: 100% (534/534), 748.44 KiB | 1.63 MiB/s, done. Resolving deltas: 100% (317/317), done.
2. Go to the directory network-manager-wireguard and compile the plugin for the graphical configuration of the Wireguard tunnel:
[my@my-wrk-lnv ~]$ cd network-manager-wireguard [my@my-wrk-lnv network-manager-wireguard](master)$ ./autogen.sh --without-libnm-glib libtoolize: putting auxiliary files in '.'. libtoolize: linking file './ltmain.sh' libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'. libtoolize: linking file 'm4/libtool.m4' libtoolize: linking file 'm4/ltoptions.m4' libtoolize: linking file 'm4/ltsugar.m4' libtoolize: linking file 'm4/ltversion.m4' libtoolize: linking file 'm4/lt~obsolete.m4' configure.ac:19: installing './compile' configure.ac:19: installing './config.guess' configure.ac:19: installing './config.sub' configure.ac:7: installing './install-sh' configure.ac:7: installing './missing' Makefile.am: installing './depcomp' parallel-tests: installing './test-driver' checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking whether UID '1000' is supported by ustar format... yes checking whether GID '1000' is supported by ustar format... yes checking how to create a ustar tar archive... gnutar checking whether to enable maintainer-specific portions of Makefiles... yes checking whether make supports nested variables... 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[my@my-wrk-lnv network-manager-wireguard](master)$ ./configure --without-libnm-glib --prefix=/usr --sysconfdir=/etc --libdir=/usr/lib/x86_64-linux-gnu --libexecdir=/usr/lib/NetworkManager --localstatedir=/var checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking whether UID '1000' is supported by ustar format... yes checking whether GID '1000' is supported by ustar format... yes checking how to create a ustar tar archive... gnutar checking whether to enable maintainer-specific portions of Makefiles... no checking whether make supports nested variables... 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[my@my-wrk-lnv network-manager-wireguard](master)$ make XMLLINT not set and xmllint not found in path; skipping xml preprocessing. make all-recursive make[1]: Entering directory «/home/my/network-manager-wireguard» XMLLINT not set and xmllint not found in path; skipping xml preprocessing. Making all in . make[2]: Entering directory «/home/my/network-manager-wireguard» XMLLINT not set and xmllint not found in path; skipping xml preprocessing. CC shared/nm-utils/src_libnm_utils_la-nm-shared-utils.lo In file included from ./shared/nm-default.h:49:0, from shared/nm-utils/nm-shared-utils.c:22: /usr/include/libnm/nm-version.h:155:30: warning: "NM_VERSION_1_10_14" is not defined, evaluates to 0 [-Wundef] #if NM_VERSION_MAX_ALLOWED < NM_VERSION_1_10_14 ^~~~~~~~~~~~~~~~~~ CC shared/src_libnm_utils_la-utils.lo In file included from shared/nm-default.h:49:0, from shared/utils.c:22: /usr/include/libnm/nm-version.h:155:30: warning: "NM_VERSION_1_10_14" is not defined, evaluates to 0 [-Wundef] #if NM_VERSION_MAX_ALLOWED < NM_VERSION_1_10_14 ^~~~~~~~~~~~~~~~~~ CCLD auth-dialog/nm-wireguard-auth-dialog ITMRG appdata/network-manager-wireguard.metainfo.xml GEN nm-wireguard-service.name make[2]: Leaving directory «/home/my/network-manager-wireguard» Making all in po make[2]: Entering directory «/home/my/network-manager-wireguard/po» MSGFMT de.gmo MSGFMT en_GB.gmo make[2]: Leaving directory «/home/my/network-manager-wireguard/po» make[1]: Leaving directory «/home/my/network-manager-wireguard»
[my@my-wrk-lnv network-manager-wireguard](master)$ sudo make install [sudo] password for my: XMLLINT not set and xmllint not found in path; skipping xml preprocessing. Making install in . make[1]: Entering directory «/home/my/network-manager-wireguard» >XMLLINT not set and xmllint not found in path; skipping xml preprocessing. make[2]: Entering directory «/home/my/network-manager-wireguard» XMLLINT not set and xmllint not found in path; skipping xml preprocessing. /bin/mkdir -p '/usr/lib/NetworkManager' /bin/bash ./libtool --mode=install /usr/bin/install -c src/nm-wireguard-service auth-dialog/nm-wireguard-auth-dialog '/usr/lib/NetworkManager' libtool: install: /usr/bin/install -c src/nm-wireguard-service /usr/lib/NetworkManager/nm-wireguard-service libtool: install: /usr/bin/install -c auth-dialog/nm-wireguard-auth-dialog /usr/lib/NetworkManager/nm-wireguard-auth-dialog /bin/mkdir -p '/usr/share/appdata' /usr/bin/install -c -m 644 appdata/network-manager-wireguard.metainfo.xml '/usr/share/appdata' /bin/mkdir -p '/etc/dbus-1/system.d' /usr/bin/install -c -m 644 nm-wireguard-service.conf '/etc/dbus-1/system.d' /bin/mkdir -p '/usr/lib/NetworkManager/VPN' /usr/bin/install -c -m 644 nm-wireguard-service.name '/usr/lib/NetworkManager/VPN' /bin/mkdir -p '/usr/lib/x86_64-linux-gnu/NetworkManager' /bin/bash ./libtool --mode=install /usr/bin/install -c properties/libnm-vpn-plugin-wireguard.la properties/libnm-vpn-plugin-wireguard-editor.la '/usr/lib/x86_64-linux-gnu/NetworkManager' libtool: install: /usr/bin/install -c properties/.libs/libnm-vpn-plugin-wireguard.so /usr/lib/x86_64-linux-gnu/NetworkManager/libnm-vpn-plugin-wireguard.so libtool: install: /usr/bin/install -c properties/.libs/libnm-vpn-plugin-wireguard.lai /usr/lib/x86_64-linux-gnu/NetworkManager/libnm-vpn-plugin-wireguard.la libtool: install: /usr/bin/install -c properties/.libs/libnm-vpn-plugin-wireguard-editor.so /usr/lib/x86_64-linux-gnu/NetworkManager/libnm-vpn-plugin-wireguard-editor.so libtool: install: /usr/bin/install -c properties/.libs/libnm-vpn-plugin-wireguard-editor.lai /usr/lib/x86_64-linux-gnu/NetworkManager/libnm-vpn-plugin-wireguard-editor.la libtool: finish: PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin:/sbin" ldconfig -n /usr/lib/x86_64-linux-gnu/NetworkManager done installing de.gmo as /usr/share/locale/de/LC_MESSAGES/NetworkManager-wireguard.mo installing en_GB.gmo as /usr/share/locale/en_GB/LC_MESSAGES/NetworkManager-wireguard.mo make[1]: Leaving directory «/home/my/network-manager-wireguard/po»
3. Reboot the computer and check the availability of Wireguard settings in the Network Connections panel:
Configuring the connection to the Wireguard server:
1. Generate Private and Public keys, as described in 'Installation and configuration options in the terminal' (2nd step).
If the keys were previously generated in the system, you would need to view them in the terminal and copy them to the clipboard one by one:
[my@my-wrk-lnv wireguard]$ sudo cat private-key 0CwJzxW0yOG4I9XWl9Wo9nzpxen2G0VlTAxD7XEBVmE= [my@my-wrk-lnv wireguard]$ sudo cat public-key M2LeCzN8mFLpa6Xz3BNHFgtNt8kY4wluiwt+NJFTgxk=
2. Copy the Private key and paste it into the Private Key field of the tunnel settings:
3. Copy the public key and paste it into the previously configured WireGuard server in the Public Key field.
In the 'Allowed IPs' field, specify the address from which traffic will be allowed to the server in IP/bitmask format — 172.16.82.8/32
4. In the 'Public Key' field, enter the public key of the server, which can be copied to your computer's clipboard from the WireGuard settings in the router's web interface:
In the 'Allowed IPs' field, specify allowed IP addresses in IP/bitmask format — 172.16.82.1/32 (the internal server address) and 192.168.22.0/24 (address of the local segment of the Keenetic router).
In the 'Endpoint' field, specify the public IP address or domain name of the WireGuard server and the listening port on which the WireGuard client will establish the connection.
In the 'PersistentKeepalive' field, specify the frequency of attempts to check the availability of the remote side of the connection. Usually, a 3-5-second interval between checks is enough.
5. In the IPv4 tab in the Routes section, add a route to the local network segment of the Keenetic router:
6. Connect to the Wireguard server and ensure there are no error messages.
To check the server availability, you can send ICMP packets to the IP address of the local segment of your Keenetic router:
[my@my-wrk-lnv ~]$ ping -c 10 -s 100 192.168.22.1 PING 192.168.22.1 (192.168.22.1) 100(128) bytes of data. 108 bytes from 192.168.22.1: icmp_seq=1 ttl=64 time=5.40 ms 108 bytes from 192.168.22.1: icmp_seq=2 ttl=64 time=6.60 ms 108 bytes from 192.168.22.1: icmp_seq=3 ttl=64 time=7.99 ms 108 bytes from 192.168.22.1: icmp_seq=4 ttl=64 time=7.04 ms 108 bytes from 192.168.22.1: icmp_seq=5 ttl=64 time=6.31 ms 108 bytes from 192.168.22.1: icmp_seq=6 ttl=64 time=7.42 ms 108 bytes from 192.168.22.1: icmp_seq=7 ttl=64 time=6.55 ms 108 bytes from 192.168.22.1: icmp_seq=8 ttl=64 time=7.14 ms 108 bytes from 192.168.22.1: icmp_seq=9 ttl=64 time=8.47 ms 108 bytes from 192.168.22.1: icmp_seq=10 ttl=64 time=7.52 ms --- 192.168.22.1 ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9015ms rtt min/avg/max/mdev = 5.402/7.049/8.470/0.834 ms