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- A situation involving Exchange Server 2007 Unified Communications Certificates
- With Exchange Server 2007 comes new methods for handling SSL communications. While easier in some ways, it can also present some challenges simply because it's a newer process. When ordered a Unified Communications Certificate, make sure to specify all possible names that are needs on the certificate and...
- Tags: Microsoft Exchange Server 2007, Microsoft Exchange Server, Unified Communications, Domain, Certificate, UC, Westminster College, Ssl/Tls, Security, Scott Lowe
- Blog posts 2008-06-29
- Not Invented Here has no place in open source development
- Last week, many Debian users got something of a shock when they realized that encryption keys for OpenSSH, OpenSSL, and OpenVPN have all been vulnerable to relatively easy compromise for a while. Previously, I discussed how you can detect and replace vulnerable SSH keys on Debian, and Vincent Danen...
- Tags: Software, OpenSSL, Developer, Team, Problem, Debian, Tool, Ssl/Tls, Tools & Techniques, Open Source, Security, Management, Chad Perrin
- Blog posts 2008-05-22
- Find and fix weak OpenSSL/OpenSSH keys: Debian-based Linux vulnerability
- A recent vulnerability was found in the OpenSSL package as provided by Debian and Debian-based Linux distributions, such as Ubuntu, that broke the effectiveness of the OpenSSL PRNG Predictable Random Number Generator. This vulnerability caused OpenSSL to generate weak keys for anything relying on OpenSSL, including SSL certificates, OpenSSH keys,...
- Tags: OpenSSL, Linux, Perl, Vulnerability, Debian, OpenSSH, Debian Team, Ssl/Tls, Operating Systems, Open Source, Security, Software, Vincent Danen
- Blog posts 2008-05-19
- Anonymizer is purchased by Abraxas, a security consulting firm
- Anonymizer's claim to fame is being one of the first applications to promote secure and anonymous web browsing. It's a method I've recommended to road warriors who want to increase security while using public Wi-Fi hot spots. Because I've recommended the application and have mentioned it on several postings, I...
- Tags: Web, Server, SSL, Anonymizer, Abraxas Corp., Ssl/Tls, Authentication/Encryption, Channel Management, Internet, Network Security, Security, Marketing, Networking, Michael Kassner
- Blog posts 2008-05-06
- Wi-Fi security for road warriors: On-line banking
- TechRepublic members are asking some excellent questions on how to ensure secure Wi-Fi connections while traveling. As an occasional road warrior, I have garnered a great deal of respect for the serious road warriors and their ingenuity, committing their hard-earned advice to memory. In appreciation, I'd like to return the...
- Tags: Bank, Web Server, Tunnel, Banking, Server, Wi-Fi, SSL, Web Browser, Wi-Fi Security, Option, Ssl/Tls, Authentication/Encryption, Network Security, Security, Networking, Michael Kassner
- Blog posts 2008-05-01
- Learn to use the openssl command-line program
- OpenSSL is more than just an open source SSL library implementation. It can be used to create, request, sign, and revoke certificates and can also be used to perform other cryptographic operations such as creating hashes for files, testing SSL connections, and more. This week, we'll take a look at...
- Tags: Password, SSL, Ssl/Tls, Authentication/Encryption, Network Security, Security, Networking, Vincent Danen
- Blog posts 2008-04-28
- Barracuda Spam Firewall with Microsoft Exchange
- Last week I took a first look at the Barracuda Spam Firewall and went through the quick-start setup. Within an hour, I had the basic configuration covered and had tested it by temporarily rerouting some live traffic to the Barracuda box. It seemed to work well, but before...
- Tags: Firewall, Idea, Microsoft Exchange Server, Problem, Setup, Microsoft Corp., Single Sign-on, LDAP, Directory Services, E-mail, Authentication/Encryption, Ssl/Tls, Spam, Enterprise Software, Software, Online Communications, Security, Spam And Phishing, Justin Fielding
- Blog posts 2008-02-13
- Get more e-mail flexibility with Fetchmail
- Most users use GUI e-mail clients such as Thunderbird or Evolution, or even prefer Web-based mail services such as Gmail; however, there are still a significant number of people using text-based e-mail clients such as Mutt or Pine. Most likely, more people would use such clients if the learning curve...
- Tags: Password, POP3, Server, SSL, Fetchmail, IMAP, E-mail, Linux, Ssl/Tls, Authentication/Encryption, Online Communications, Operating Systems, Software, Security, Vincent Danen
- Blog posts 2007-12-03
- Shopping for the right SSL: What are the options?
- When looking to use SSL certificates to secure communications, there are many different options available. Extended Validation, SGC, standard SSL, and domain-validated SSL are the options generally available from commercial SSL signing authorities. There are also the options of self-signing certificates or using one of the free SSL providers.Self-signing certificates...
- Tags: Legislation, SSL Certificate, SSL, Certificate, SGC, SGC Certificate, Ssl/Tls, Authentication/Encryption, Network Security, Security, Networking, Justin Fielding
- Blog posts 2007-11-27
- How do I... Request and install SSL certificates in IIS 7.0?
- SSL Secure Sockets Layer certificates are perhaps the most common way to protect information being transmitted between a visitor Web browser and your Web site. SSL provides encryption services to information flowing between systems and can protect Web traffic, e-mail, instant messages and a host of other kinds of data...
- Tags: Microsoft IIS 7.0, SSL Certificate, SSL, Microsoft IIS Server, Ssl/Tls, Authentication/Encryption, Network Security, Security, Networking, Mark Kaelin, How do I, screenshots, ssl certificates, iis 7.0
- Image galleries 2007-10-22
- How do I... Request and install SSL certificates in IIS 7.0?
- SSL Secure Sockets Layer certificates are perhaps the most common way to protect information being transmitted between a visitor Web browser and your Web site. SSL provides encryption services to information flowing between systems and can protect Web traffic, e-mail, instant messages and a host of other kinds of data...
- Tags: Microsoft IIS 7.0, SSL Certificate, Site, SSL, Certificate, Microsoft IIS Server, Certificate Signing Request, Complete Certificate Request Window, HTTPS, Ssl/Tls, Authentication/Encryption, Network Security, Security, Networking, Scott Lowe
- Blog posts 2007-10-22
- (Wi-Fi) cookies are bad for you: Security of public Wi-Fi fails
- Almost all Web-based e-mail and other collaborative services just aren't safe to use over public Wi-Fi any more, due to a breach described today by a security firm CEO at the Black Hat security conference. Web 2.0 services, even though the login's made through SSL...
- Tags: Google Inc., Web, Google Gmail, SSL, Web Browser, Web 2.0, Ssl/Tls, Wireless LANs, Authentication/Encryption, E-mail Providers, Network Security, Security, Wi-Fi, Internet, Wireless, Networking, John Bartley K7AAY
- Blog posts 2007-08-02
- Aventail Connect Mobile (Smartphone) provides secure, "push" e-mail and intranet access
- Providing secure e-mail and intranet access for mobile devices is a challenge. The Aventail Connect Mobile client makes the job a little easier by providing SSL VPN access for Windows Mobile and Windows Mobile devices. The Connect Mobile client for Windows Mobile Pocket PC devices has been...
- Tags: Device, SSL VPN, Mobile, Client, SSL, Smartphone, Aventail Corp., Intranet, Connect Mobile Client, Ssl/Tls, Advertising & Promotion, E-mail, VPNs, Network Security, Security, Marketing, Online Communications, Networking, Bill Detwiler
- Blog posts 2007-07-11
- SonicWALL to acquire SSL VPN vendor Aventail
- SonicWALL Inc has entered into an agreement to purchase SSL VPN vendor Aventail Corp. Both SonicWALL and Aventail are both well entrenched players in the SSL VPN remote access market and such an acquisition can be seen as a logical progression. According to Patrick Sweeney, vice...
- Tags: SSL VPN, SonicWall, SSL, Aventail Corp., Ssl/Tls, VPNs, Network Security, Authentication/Encryption, Remote Access, Security, Networking, Paul Mah
- Blog posts 2007-06-15
- SSL VPN: Is it the Solution for your SMB?
- There are more options than ever when it comes to deploying a VPN solution on your SMB network, and SSL offers a number of advantages – especially now that Microsoft is building an SSL tunneling protocol into the next generation of Windows. Virtual private networking VPN provides a secure...
- Tags: VPN, SSL VPN, SSL, VPNs, Deb Shinder, Network security, SSL/TLS, TELECOMMUNICATIONS, NETWORKING, SECURITY, small and medium business, SMB Strategies Newsletter, Server, Authentication/Encryption
- Technical articles 2007-01-26
- Determine if SSL connections are truly secure
- An HTTPS Web site may make most users feel relatively secure, but this alone doesn't guarantee secure transactions. That's why it's important to make sure your users understand how to properly evaluate a Web site's security. Mike Mullins offers some tips in this edition of Security Solutions. When users...
- Tags: Web, SSL, Web site development, Channel management, Web technology, SSL/TLS, Michael Mullins CCNA, MCP, Web site, form tag, sensitive information, Security Solutions Newsletter, Data, Information, Mike Mullins, Authentication/Encryption, Security, Internet, Marketing, Michael \"Mullins CCNA, MCP\"
- Technical articles 2006-03-30
- SMTP authentication with Exim
- Learn to configure the Exim MTA with SMTP authentication. Exim is an MTA, similar to postfix or sendmail, that's used by thousands of sites on the Internet to deliver and receive e-mail. Exim is robust, feature-rich, and very powerful. Out of the box, it makes a great...
- Tags: SMTP, TLS, E-mail, Vincent Danen, SSL/TLS, Linux, Network security, E-mail servers, CRAM_MD5, Exim, server, Linux Tips Newsletter, TechRepublic Inc., Authentication, Exim MTA, Online Communications, Security, Networking
- Technical articles 2006-03-27
- Guard against this OpenSSL vulnerability
- The overwhelming number of open source Web sites and the widespread use of OpenSSL to secure connections create a tremendous problem when vulnerabilities emerge. Case in point: In October 2005, the OpenSSL.org Project released a patch to fix a vulnerability in all previously released versions of OpenSSL. Get the details...
- Tags: OpenSSL, Web, Microsoft Corp., SSL, Patches, SSL/TLS, Web site development, Authentication/Encryption, SECURITY, Michael Mullins CCNA, MCP, vulnerability, open source, Web site, SSL 2.0, patch management, software, Security Solutions Newsletter, Mike Mullins, SSL_OP_MSIE_SSLV2_RSA_PADDING Option, OpenSSL Project, Internet, Michael \"Mullins CCNA, MCP\"
- Technical articles 2005-11-17
- Secure your database interaction with SSL
- The details of securing the communications between a client and Web application are often covered, but what about the communication between the application and database server? Here's a look at securing the database interaction with Secure Sockets Layer SSL. The beginning of 2005 started on a bad note, as...
- Tags: Microsoft SQL Server, SSL, Authentication/Encryption, Databases, Tony Patton, SSL/TLS, Network security, SECURITY, Enterprise software, database, InstantSSL, Microsoft SQL Server 2000, .NET Newsletter, TechRepublic Inc., Microsoft Windows 2000, Communication, Server, Networking, Software, Data Management
- Technical articles 2005-07-21
- Set up open source Jabber to run your own IM service
- Follow these easy steps to setting up the Jabber instant messaging service. This open source protocol allows you to control authentication on the server. Instant messaging is perhaps one of the most popular forms of communication on the Internet outside of e-mail. A number of different protocols...
- Tags: IM, Jabber, Vincent Danen, Instant messaging, SSL/TLS, open source, server, authentication, Linux Tips Newsletter, Setup, Internet, Online Communications
- Technical articles 2005-06-27
