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Openswan
customization and support
Openswan is an implementation
of the IPSec & IKE protocols for Linux.
These protocols allow you to build secure
tunnels through untrusted networks. Everything
passing through the untrusted net is encrypted
by the IPSEC gateway machine and decrypted
by the gateway at the other end.
One
result is Virtual Private Network or VPN.
This is a restricted access, access controlled
network which uses the public Internet as
a transport media. Effectively private even
though it includes machines at several different
sites connected by the insecure Internet.
Another result is ubiquitous privacy through Opportunistic
Encryption. OE provides for privacy among
large groups of mutually suspicious hosts.
OE is appropriate when the access control
and authentication will occur in another
protocol (such as SIP), but privacy is desired.
See Openswan Support or
Openswan consulting.
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xL2TPD
xL2TPD is our Layer 2 Tunneling Protocol (L2TP) daemon for use on Linux system. This is
typically used with Openswan to do L2TP over IPSec, and is designed to support Microsoft Windows XP/2003
and Apple OSX Native VPN clients.
xL2TPD is available on our xL2TPD page
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freeRadius
Xelerance offers consulting and customization of Freeradius.
Freeradius is a complete implementation of the RADIUS protocol
for Linux & Unix operating systems which allows one to set up a radius
protocol server, which is usually used for authentication and
accounting of users. Freeradius is a community effort, produced under GPL.
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DNSSec
DNSSec is the next generation DNS system, which provides secure and
authoritative DNS lookups.
DNSSec was recently ratified as an IETF standard -
RCF4033,
RCF4034,
RCF4035.
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Xen
The Xen hypervisor is a unique open source technology, developed collaboratively by the world's best engineers at over 20 of the most innovative
data center solution vendors, including Intel, AMD, Cisco, Dell, Egenera, HP, IBM, Mellanox, Network Appliance, Novell, Red Hat, SGI, Sun, Unisys,
Veritas, Voltaire, and XenSource.
Xen lets you virtualize your your servers, allowing you to conslidate onto fewer physical servers to make the most of your hardware investment.
We provide consulting, design and implementation services for Xen, and can help you make the most of your
hardware investment.
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Asterisk
Asterisk is a fully functional PBX in software. It runs on Linux and
provides all of the features you would expect from a PBX and more.
Asterisk does Voice over IP (VoIP) in three protocols, and can
interoperate with almost all standards-based telephony equipment using
relatively inexpensive hardware.
Asterisk provides Voicemail services with Directory, Call Conferencing,
Interactive Voice Response, Call Queuing, and has support for three-way
calling, caller ID services, ADSI, SIP and H.323 (as both client and
gateway).
We can provide general consulting services for provisioning, installation
and support of Asterisk, as well as custom development (eg: extensions to
add authentication and encryption to the basic options available, custom
IVR applications, etc...)
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sshfp
sshfp is a small utility that generates RFC4255 SSHFP DNS records based on the
public keys stored in a known_hosts file or obtained by using ssh-keyscan (1).
If the nameserver of the domain allows zone tranfers (AXFR), an entire domain
can be processed for all its A records. These can then be easilly added to a
zone, and then secured by DNSSEC.
sshfp is available on our sshfp page.
On Fedora based systems, you can install it using yum install sshfp.
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