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Glossary of Terms
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Web Server |
This is the type of web server. Servers will usually return
this information to your browser with every query processed.
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Page
Retrieval
Times |
This is the total amount of time that it took us to retrieve
the web page. It is broken down into 4 mutually exclusive segments:
Connect
time: |
The amount of time it took to connect to the web
server. For secure SSL/TLS sites, this includes the amount
of time it took to negotiate a secure SSL or TLS session.
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Wait
time: |
The amount of time it took after we sent the query before
we saw the first byte of data coming back from the remote server. |
Data Recv
time: |
This is the amount of time that it took to receive the
data for the web response, starting from the time that we get
the first byte, ending at the time we receive the last byte
of http data.
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| Other: |
This is the amount of time it took to close the session with the remote server.
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Security
Protocol
Version |
The security protocol displayed is the version used by us when contacting
the remote site. Usually, this will be SSLv2, since it is easier for us to
extract certain protocol information with SSLv2. The server we query, may,
however, support SSLv3 and TLS1 as well.
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SSL |
SSL stands for Secure Socket Layer. It is a transport layer on top of TCP/IP that provides for secure communications between two end-points.
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TLS |
TLS stands for Transport Layer Security. It is a transport layer on top
of TCP/IP that provides for secure communications between two end-points.
TLS is a new protocol designed to replace SSL. It uses an open, standards
based solution, non-proprietary ciphers, and is free from SSL patent concerns.
The Stronghold 2.3 secure web server released April 22, 1998 is the first web
server to support this new protocol.
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Encryption
Levels |
This is the encryption technique being supported by the secure web server.
It is the encryption technique that determines how difficult it is to break
SSL/TLS security. The common encryption algorithms include RC2, RC4, DES,
Triples DES and IDEA. 40 bit versions of RC2 and RC4 comply with US export
regulations, and are indicated with a EXP_ prefix. DES (56 bit) and 40
bit RC2/RC4 encryption is breakable by a sufficiently motivated attacker.
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Certificate |
Certificates are digital identifiers that assist in making an SSL/TLS session
secure. They are usually created by a Certificate Authority (CA) known as the
issuer. They are used to identify the organization holding the certificate and
the web server platform making use of the certificate.
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Server
History |
The server history details the results of our monthly visits to
the site in question. If the server history is empty, it means that
we've never found the site linked by anyone during our regular crawling
activites. Information in the history includes:
| Date: |
The date the identity string was fetched. |
IP
Address: |
The IP address the server name resolved to.
This was not kept for very early surveys.
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Server
String: |
This is the identification string that the web server returned.
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