8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

1/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 292

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=292

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

2/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 293

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=293

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

3/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 294

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=294

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

4/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 295

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=295

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

5/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 296

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=296

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

6/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 297

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=297

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

7/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 298

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=298

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

8/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 299

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=299

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

9/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 300

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=300

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

10/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 301

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=301

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

11/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 302

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=302

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

12/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 303

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=303

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

13/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 304

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=304

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

14/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 305

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=305

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

15/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 306

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=306

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

16/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 307

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=307

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

17/38

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

18/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 309

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=309

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

19/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 310

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=310

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

20/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 311

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=311

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

21/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 312

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=312

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

22/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 313

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=313

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

23/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 314

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=314

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

24/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 315

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=315

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

25/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 316

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=316

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

26/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 317

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=317

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

27/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 318

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=318

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

28/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 319

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=319

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

29/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 320

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=320

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

30/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 321

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=321

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

31/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 322

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=322

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

32/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 323

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=323

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

33/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 324

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=324

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

34/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 325

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=325

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

35/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 326

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=326

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

36/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 327

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=327

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

37/38

roofing Linux : A Guide to Open Source Security.

d, MA, USA: Syngress Publishing, 2001. p 328

e.ebrary.com/lib/nyulibrary/Doc?id=10007036&ppg=328

ht 2001. Syngress Publishing. All rights Reserved.

be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.

8/2/2019 Hack Proofing Linux a Guide to Open Source Security Chapter 5

38/38