16-bit destination port number. 32-bit sequence number. 32-bit acknowledgement number ... Chapter 4 of Blown to Bits, Evans and Wurster, HBS Press: 1999. ...
... just gives raw packet info. Tethereal ... Detect when a transfer starts and create a local file to store the data ... Enjoy yourself this is fun stuff! ...
Implement a router that performs a simple scan detection. Part 1: Packet traces ... Scan Detection. Overview ... We are only implementing Port Scans ...
whereis search all common executable directories for binaries, man pages, source files. ... Search for files and directories ending with html find ~ -name '*cs155 ...
NFS allows us to access files on many machines transparently. ... with the arrow keys. In command mode we can use the arrow keys plus some other useful keys. ...
When a Unix program is started a set of associated streams are ... or stdout and stderr with & or hack it: (command stdout_file) & stderr_file ls l ...
CS155: NFS, Permissions and pico. Permissions, Ownership, and ls -l ... We will cover three: pico, emacs, vim. Pico is the simplest (and least powerful) ...
'A honeypot is an information system resource whose value lies in ... Song's RISE: http://research.microsoft.com/projects/SWSecInstitute/s/Song.ppt ...
Example 1: login over SSL, but subsequent HTTP. What happens as wireless Caf ? ... The famous MySpace Samy worm: (2005) Bypassed MySpace script filters ...
These programs will be installed with setuid root ... buffer as its parameter all you have to do is craft that buffer appropriately. ... Crafting the exploit string ...
compile as usual */ Clever trick to avoid detection. Compile this compiler and delete backdoor tests ... Compiling the compiler twice might lose the backdoor ...
profile of user who clicks it. Only works when user logged in. User might have multiple tabs open ... http://scriptasylum.com/tutorials/encdec/encode-decode.html ...
U.S. National Cybersecurity William J. Perry Martin Casado Keith Coleman Dan Wendlandt MS&E 91SI Fall 2004 Stanford University Why are we talking about ...
node.style.visibility = hidden'; // still takes up space ... 'visibility:hidden' ... Open page with form in hidden iframe iframe name=myframe style='visibility: ...
Public-key encryption. Key chosen secretly (handshake protocol) ... Encryption algorithm has two functions: E and D ... of symmetric encryption. Stream ciphers ...
Interpreter flags the line number and character location of syntax errors. If error message appears and the flagged line appears correct, the error usually ...
Can have compound names. e.g. in AFS talg:friends, system:backup. ACL's ... Ghetto style. Create a directory accessible but not readable by everyone ...
For buying, selling, and delivering products and services ... Not all auto companies and suppliers will be signed up. Auto companies are the only ones to set ...