Celeb Glow
general | March 19, 2026

SNX connecting to SSL Network Extender Web-app gives -1 status

I've been trying to connect to my company's Checkpoint VPN without success. For that, I have to login to the ssl-vpn website and connect there. However, when I started SSL Network Extender pop-up and attempting to initialize connection, it suddenly closes itself without any error logs. I managed to capture the state before the popup closes, but doesn't reveal much except that Gateway ID and Office mode IP are -1. My IP also does not change even if I keep the popup open.

Popup page before closing automatically

My Linux distro:

Distributor ID: Ubuntu
Description: Ubuntu 20.04.2 LTS
Release: 20.04
Codename: focal

SNX Build:

Check Point's Linux SNX
build 800008209

I also don't think I'm missing any dependencies:

$ sudo ldd /usr/bin/snx
linux-gate.so.1 (0xf7f58000)
libX11.so.6 => /lib/i386-linux-gnu/libX11.so.6 (0xf7dec000)
libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xf7dc9000)
libresolv.so.2 => /lib/i386-linux-gnu/libresolv.so.2 (0xf7db0000)
libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xf7daa000)
libpam.so.0 => /lib/i386-linux-gnu/libpam.so.0 (0xf7d97000)
libnsl.so.1 => /lib/i386-linux-gnu/libnsl.so.1 (0xf7d7a000)
libstdc++.so.5 => /lib/i386-linux-gnu/libstdc++.so.5 (0xf7cba000)
libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xf7acb000)
libxcb.so.1 => /lib/i386-linux-gnu/libxcb.so.1 (0xf7a9c000)
/lib/ld-linux.so.2 (0xf7f59000)
libaudit.so.1 => /lib/i386-linux-gnu/libaudit.so.1 (0xf7a70000)
libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0xf7969000)
libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf794a000)
libXau.so.6 => /lib/i386-linux-gnu/libXau.so.6 (0xf7944000)
libXdmcp.so.6 => /lib/i386-linux-gnu/libXdmcp.so.6 (0xf793c000)
libcap-ng.so.0 => /lib/i386-linux-gnu/libcap-ng.so.0 (0xf7934000)
libbsd.so.0 => /lib/i386-linux-gnu/libbsd.so.0 (0xf7915000)

SNX Settings (on the web-app):SNX Settings

I have also successfully install CShell and I could see an ID when I visit

I've tried connecting from either Chrome (Version 90.0.4430.212 (Official Build) (64-bit)) or Firefox browser (88.0.1 (64-bit) to no avail...

My question is: what causes this and how do I fix this problem?

Thank you in advance!

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