Network World
Thursday, February 9, 2012
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Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.

Tracking IPS catch rates

We tested intrusion-prevention systems in two scenarios: protecting clients (such as Web browser) and protecting servers (such as Web and e-mail servers) separately. The percentages shown are scores from our tests using Mu Security's Mu-4000 Security Analyzer appliance to launch the attack traffic, showing what percentage of the known vulnerabilities in each category (attacks against clients, and against servers) was caught by each IPS.
Vendor Product Tuning notes Client Score Server Score
Astaro ASG 425a Recommended settings 19% 36%
Check Point UTM-1 2050 SecureDefense configured per Check Point recommendations 27% 32%
Cisco ASA5540 with SSM-20 IPS module Set to block at 85% confidence
Set to block at 55% confidence
20%
37%
30%
33%
Crossbeam C25 Set to block at 55% confidence
SecureDefense configured per Check Point recommendations
27% 32%
Fortinet FortiGate 3600A Scan for major/critical severity signatures
Scan for all signatures
14%
41%
23%
24%
IBM System x3650 SecureDefense configured per Check Point recommendations 27% 32%
IBM/ISS Proventia MX5010 Recommended settings 75% 44%
Juniper Networks ISG-1000 Scan for high severity signatures
Scan for all severity of signatures
No additional protections enabled
42%
87%
5%
46%
70%
17%
Juniper Networks SSG-520M Deep inspection for major/critical signatures
Deep inspection for all signatures
19%
21%
24%
25%
Nokia IP290 SecureDefense configured per Check Point recommendations 27% 32%
Secure Computing Sidewinder 2150D with IPS acceleration With IPS only proxy 22%
7%
34%
14%
SonicWall Pro 5060 Scan for major/critical signatures
Scan for all signatures
22%
45%
19%
46%
WatchGuard Firebox Peak X8500e Scan for major/critical signatures
Scan for all signatures
39%
40%
30%
31%