Another personal aide-memoir for SSL testing:
This method uses OpenSSL to create public/private keys pair and submit the public key to a Certificate Signing Authority to be signed by that CA. The procedure uses various methods to test certificates and SSL connections to web servers: Read more…
HTTP and ETag
Download this capture file: ” IfModifieldSince_and_ETag ”
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With caching enabled, a web server does not need to send a full response if content has not changed.
If-Modified-Since Allows a 304 Not Modified to be returned if content is unchanged
If-Modified-Since: Sat, 29 Oct 1994 19:43:31 GMT
If-None-Match Allows a 304 Not Modified to be returned if content is unchanged,
If-None-Match: "737060cd8c082f209582d" Read more…
SIP / RTCP
Download this capture file: ” SIP – RTCP control through NAT Device ”
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SIP is defined by RFC 2543 and is used for multimedia call session setup and control over IP networks. Read more…
An aide-memoir for PMTU operation.
Usually, the path MTU is determined using MTU Path Discovery. Usually, two hosts can dynamically negotiate the path MTU (e.g. client and server ) but networks that contain firewalls or tunnels (VPN, GRE, IPSec transport mode) sometimes require tuning the MTU values manually. Read more…
