General
Secure network communication:
- Layer 7: GPG/PGP
- Layers 4,5: SSL/TLS/Stunnel/S/MIME
- Layer 3: VPN, IPsec
- Layer 2: PPTP
Packet sniffing:
- tcpdump, Wireshark
Attacks:
- Man in the middle attack
- land ping of death xmas Denial-of-service attack et al.
Read more about this topic: Unix Security
Famous quotes containing the word general:
“Suppose we think while we talk or write—I mean, as we normally do—we shall not in general say that we think quicker than we talk, but the thought seems not to be separate from the expression.”
—Ludwig Wittgenstein (1889–1951)
“You have lived longer than I have and perhaps may have formed a different judgment on better grounds; but my observations do not enable me to say I think integrity the characteristic of wealth. In general I believe the decisions of the people, in a body, will be more honest and more disinterested than those of wealthy men.”
—Thomas Jefferson (1743–1826)
“Anti-Nebraska, Know-Nothings, and general disgust with the powers that be, have carried this county [Hamilton County, Ohio] by between seven and eight thousand majority! How people do hate Catholics, and what a happiness it was to show it in what seemed a lawful and patriotic manner.”
—Rutherford Birchard Hayes (1822–1893)