Click on the Credentials tab at the top.In that case, enter your email address and your password, then click Log in. You may need to log in before proceeding to this page. Go to this page, where you will find all of the details required for a manual connection. ![]() Here is how you can get your Surfshark service credentials: Make sure your connection was successful.Please note that some configurations may vary depending on the Linux distribution you are using.ĭon't have a subscription yet? Get Surfshark here. Thank you all for your help on this.In this tutorial, you will learn how to install the Surfshark VPN on Raspberry Pi. There is a public github repository ( ) for generating watchguard config files, however given PIA's policy on key destruction, I'd either have to invoke this manually every time I set up the travel router, or hardcode my credentials in to the python file and create a startup task or something.įor a home setup I could see this working, since downtime would be limited to router reboots and wouldn't expire my keys - but with the ephemeral nature of the travel router, I'd need to go the extra step of adapting those WatchGuard scripts (which rely on PIA's proprietary API) to run automatically, which seems like maybe a bridge too far. ![]() The bigger issue is they destroy your public keys after seeing no sessions for more than X minutes. The keepalive portion is easy enough, just need to send pings to PIA's gateway every so often. I'd be curious to see if this is due to slower tcp session negotiation and only a single ping being sent, or some other configuration issue with the CLI version, but, when run from the browser I see ping times consistent with UDP tunnels (~+10ms compared to VPN off) and around 90mbps.įor anyone else setting this up on an Rpi, I dropped my tuning parameters as well, commenting out snd/rcvbuf and txqueuelen gave a modest improvement over TCP.īack to tuning! Thanks for pointing me in the right direction.įrom what I have read there are issues both with tunnel setup, as well as keepalive, both of which require scripting. Speedtest-CLI seems to be having peering issues over the TCP VPN interestingly, and is sending me to hosts with 90-100+ms ping between 300-3000km away from my VPN host. Would be interested to see if there is anything I can look at to improve UDP performance, but I am more or less satisfied being my throughput is much higher than I could expect from any public/hotel wifi. I even made sure flood protection was off to be sure that wasn't an issue. It seems either this build or the raspi itself may struggle with UDP. Unfortunately PIA doesn't offer wireguard outside of their official client (without some fairly expert / officially unsupported configuration) - but TCP is something I can do.Ĭhanging over to TCP has massively improved throughput 2.5-3x! I am now seeing 75-90mbps over the tunnel. Options:bn(64,64) rc4(char) des(int) aes(partial) blowfish(ptr)Ĭompiler: aarch64-openwrt-linux-musl-gcc -fPIC -pthread -Wa,-noexecstack -Wall -O3 -Os -pipe -fno-caller-saves -fno-plt -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro -DPIC -fPIC -ffunction-sections -fdata-sections -znow -zrelro -DOPENSSL_USE_NODELETE -DOPENSSL_PIC -DOPENSSL_CPUID_OBJ -DOPENSSL_BN_ASM_MONT -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DKECCAK1600_ASM -DVPAES_ASM -DECP_NISTZ256_ASM -DPOLY1305_ASM -DNDEBUG -DOPENSSL_SMALL_FOOTPRINT You will have also to add overhead for the traffic handling and compression.įrom my RPi4 running 21.02.1 OpenSSL 1.1.1l ![]() The 16MB/s is 108Mbps and 145MB/s is 1160 Mbps.Īnd this is just the processing power for encryption. This means roughly 16MB for a second for an Arm A20 chip and 145MB for core I7 computer. The command openssl speed aes will give you insight about the processing power of the CPU.Īn example of my SOC: The 'numbers' are in 1000s of bytes per second processed. The main workload for Openvpn is the encryption and compression, both heavily dependent on CPU and memory speed.
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