SIP Testing

IP and MAC Layer Framing:

Fragment packets according to MTU setting
Remove all data from UDP packets intercepted
Change the destination MAC address to be all ones (broadcast).
Change the destination IP address to be all ones (broadcast).
Change both destination MAC and IP address to be all ones (broadcast).
Add empty CRLF line at end of message without adjusting ContentLength.
Add empty CRLF line at end of message and adjust Content-Length.
Add empty CR line at end of message without adjusting ContentLength.
Add empty CR line at end of message and adjust Content-Length.
Add empty LF at end of message without adjusting Content-Length.
Add empty LF line at end of message and adjust Content-Length.
Append gibberish to the end of message without adjusting ContentLength.
Append gibberish to the end of message and adjust Content-Length.
Add nulls after CRLFs in request/status, header and body lines without adjusting content length
Add blanks before CRLFs in request/status line without adjusting content length
Add nulls before CRLFs in request/status line without adjusting Content Length.
Add blanks before CRLFs in header lines without adjusting Content Length.
Add nulls before CRLFs in header lines without adjusting Content Length.
Add blanks before CRLFs in body lines without adjusting content length
Add blanks before CRLFs in body lines and adjust Content Length.
Add nulls before CRLFs in body lines without adjusting Content Length.
Add nulls before CRLFs in body lines and adjust Content Length.
Remove CRLF after message body (if any) without adjusting Content Length.
Remove CRLF after message body (if any) and adjust Content Length.
Remove CR after message body (if any) without adjusting Content Length.
Remove CR after message body (if any) and adjust Content Length.
Append a meaningless message body to 100/80 responses
Insert blanks before colon on header field lines
Insert tabs before colon on header field lines
Insert blanks after colon on header field lines
Insert tabs after colon on header field lines
Remove whitespace after colon on header field lines
Add trailing dot to DNS names found in request/status line and message header
Add trailing dot to DNS names found in request/status line
Add trailing dot to DNS names found in From: header
Add trailing dot to DNS names found in To: header
Add trailing dot to DNS names found in Contact: header
Remove the trailing dot (if any) in DNS names in request/status line and message header.
Remove the trailing dot (if any) in DNS names in request/status line.
Remove the trailing dot (if any) in DNS names in From: header line.
Remove the trailing dot (if any) in DNS names in To: header line.
Remove the trailing dot (if any) in DNS names in Contact: header line.
Insert extremely long but valid domain name in request/status line and header lines
Insert extremely long but valid domain name in request/status line.
Insert extremely long but valid domain name in From: header line.
Insert extremely long but valid domain name in To: header line.
Insert extremely long but valid domain name in Contact: header line.
Insert extremely long, invalid domain name in request/status line and header lines
Insert invalid domain name (with one extra byte ) in request/status line
Insert invalid domain name (with one extra byte) in From: header line
Insert invalid domain name (with one extra byte) in To: header line
Insert invalid domain name (with one extra byte) in Contact: header line
Insert invalid domain name (with several extra bytes) in request/status line and message header.
Insert invalid domain name (with several extra bytes) in request/status line

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SIP Testing

IP and MAC Layer Framing:

InterWorking Labs