Tips for Securing Your Home Router
Seemingly minor and easily overlooked settings can still have profound security implications. Here are some steps you can take to make sure your wired or wireless home router — and by extension, your network — is as secure as possible.
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MikroTik's The Dude
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iNetPrivacy Software AntiFirewall
Author: Roy Santos Review Date: 8/28/2002
AntiFirewall offers an ingenious
way of trying to connect to Internet services you've been forbidden from accessing.
Instead of connecting directly to the service that you want, it goes to widely
available public proxy servers first. Moreover, it only uses anonymous proxy
servers so that you effectively hide any information about your computer and
your Internet habits. I tested this promising software on my network with high
hopes, but what I discovered may leave you wanting to block the software itself
from your list.
Small, easy install
Didn't connect to any services
No SMTP support (can't send e-mail)
Only supports one instant messenger (ICQ)
Hide button doesn't really hide program in Windows XP
Passwords not masked
Corporations are cracking down more and more on their employees' communications
with the outside world, particularly when it comes to Internet communications.
In the name of productivity and security, it has become de rigueur for IT departments
to block workers from "unproductive" activities, such as instant messaging
of friends or checking e-mail all day, and to make sure sensitive information
doesn't get out.
Because it's so easy to download and upload almost any file, some companies
install restrictive firewalls that block certain Internet protocols so that
employees are unable to perform file transfers or connect to chat servers.
AntiFirewall is software that promises to get around firewall restrictions.
It claims to work if you are in a networked environment that has a firewall
but still allows you to surf the Web. Instead of you connecting directly to
services, such as FTP (file transfer), ICQ (an instant messaging system), or
IRC (a chat service), AntiFirewall first creates a connection with a public
proxy server before going on to the destination server.
For instance, if your company's network administrator has blocked all requests
for POP mail, a protocol used by most e-mail providers, then you won't be able
to get your private mail at work. If you use AntiFirewall, it will first make
an HTTP request to the proxy server, the same request your Web browser makes
to connect to Web pages, before connecting to the POP server to retrieve your
I tested AntiFirewall on a home network with a router that has a built-in firewall.
I blocked requests for FTP, newsgroups, and POP mail by closing the appropriate
ports that make those requests. I installed AntiFirewall on my PC, a step that
took less than two minutes. A wizard appears immediately after the installation
process. It helps you get started by asking you what kind of program you will
be using. It also chooses the appropriate public proxy server from a list built
in to the software. If the service requires a username and password, the software
will ask you to enter them first. The password field is not masked, that is,
your password appears in plain view when you type it, rather than as asterisks.
This is a horrid deviation from standard password masking in most software.
The software also has a Hide button that should keep the program and its icon
from anyone's view, but this one fails miserably. In Windows XP, where I tested
the software, the Hide button merely places the software in the hidden icons,
which anyone can easily view by pressing the double chevron symbol near the
With the firewall restrictions that I set up, I could not connect to my Internet
service provider's FTP site. At this point, AntiFirewall is supposed to help
me load Web pages and other files to the storage space provided with my ISP
service. AntiFirewall could not connect at all to the FTP site. It seemed to
connect to the proxy server fine, but got stuck trying to connect to the FTP
server. Trying to change the settings to connect to a different proxy server
made it worse. This time, it failed to connect to the proxy server at all. I
received the same results with my news server and POP mail. Needless to say,
I was unable to upload files, check my newsgroups, or read my mail.
AntiFirewall can also work as an anonymizer, letting you connect to the Internet
without giving out any information about yourself or your computer. It only
anonymizes the aforementioned programs, not your Web browser. You will still
need a different program if you want Web surfing privacy, such as Anonymizer.
Although the program can get around ICQ restrictions, it doesn't work for other
types of instant messengers. Those with MSN Messengers or AOL Instant Messanger
being restricted at work are out of luck here.
Moreover, the program works only for hardware-based firewalls. It didn't work
on Zone Alarm, a popular software firewall used in many home PCs and home networks.
AntiFirewall is a fantastic idea that, for now, remains in the realm of fantasy.
It is supposed to work around many common firewall restrictions to make once
impossible Internet communications open again. Disappointingly, it could not
get around simple home firewall restrictions in my tests and I doubt that it
could work on more robust corporate networks. It's expensive ($35) for what
it purportedly does. I wish you luck trying to get it to function properly.
Just remember that no matter how safe any company claims its firewall workarounds
are, there is always a chance that you may be compromising security.
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