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SoftEther VPN freeware

SoftEther VPN

Version: 4.29 B9680 RTM | Size: 44.80 MB
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SoftEther VPN is your multi-protocol VPN client and VPN server software that offers stability, flexibility and expandability of network connection. Many innovative and advanced functions allows user to construct a secure virtual private network in an existing IP network to facilitate free communication within the virtual network. 

SoftEther VPN supports firewall traversal especially NAT. It is useful software in running VPN servers on computers behind facility routers and residential gateways. Besides, if offers broad bandwidth compatibility with advanced networks ideal for large corporations, internet providers and yet suitable for small business connections, homes as well as individual connections.

If you carry your laptop around often while travelling, SoftEther VPN is ideal for you too. It facilitates safe access to company LAN via public of free internet connection available spots at stopovers and accommodation facilities largely because a lot of these free internet connections have transparent firewall proxy servers.

SoftEther VPN software utilizes its full Ethernet frame, reduced memory copy operations, parallel transmission and clustering which are instrumental in minimizing latency associated with VPN connections.  The result is optimized performance for low and high speed lines.

Advanced software features allow for expandability of connection. Perhaps its biggest advantage is ability to expand connectivity with software rather than in hardware. Internal modules facilitate flexible addition of new features whenever necessary unlike in hardware expansion. Particularly, SoftEther VPN targets Ethernet for VPN communications.

SoftEther VPN offers secure and stable communication by encrypting all data according to internet standard protocol referred to as secure socket layer (SSL). This includes security issues concerning server authentication and user authentication achieved use of radius servers used by companies’ domain or active directory as well as use of smart cards for higher security requirements.

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User Rating: 4.1 (137 votes)

Open Source

File size:
44.80 MB

Last update:

Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64

Last version:
Last versions of SoftEther VPN
Version Change log
SoftEther VPN 4.29 B9680 R Feb 28, 2019 Switched the license of SoftEther VPN from GPLv2 to Apache License 2.0. Text messages on source codes and UIs have been modified.
Supports 4-digit expiration date on X.509 certificates.
Replaced SHA-0 implementation.
Improved integrity and security of C source codes. Fixed several buffer overflows and integer overflows. Enforced NULL pointer checks. Fixed problems on the size of malloc() and Zero Memory functions. These problems include a vulnerability that a malformed packet will cause the buffer overflow at the receive path. This vulnerability may occur abnormal process exit with the buffer security check mechanism built-in with SoftEther VPN binary. Although this buffer overflow can theoretically bypass the security check in theory, in the actual binary it is detected by the buffer security check inserted by the C compiler and the process is forcibly terminated. Therefore, as a result, it can be abused by a DoS attacker.
SoftEther VPN 4.25 B9656 R Jan 15, 2018 There are 11 vulnerabilities on SoftEther VPN. There vulnerabilities are found by the source code audit process conducted by Max Planck Institute for Molecular Genetics andMr. Guido Vranken in late 2017. This build fixes all of these vulnerabilities.
7 missing memory boundaries checks and similar memory problems. There are no risk of arbitrary code execution or intrusion on these bugs in my analysis. However, these problems may lead to crash the running server process. So these bugs must be fixed.
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4.29 B9680 RTM

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