PythonQ 248-8XX Guide d'installation télécharger pdf (Page 157)

Network Services Reference

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Red Hat Linux 8.0 1
The Ofﬁcial Red Hat Linux 1
Reference Guide 1
Table of Contents 3
Introduction 7
3. Document Conventions 10
Mail backupfiles mail reports 12
4. Using the Mouse 13
6. More to Come 13
7. Sign Up for Support 14
System Reference 15
Chapter 1 17
File System Structure 17
1.2.1. FHS Organization 18
/usr/local/sbin." 19
/usr." 20
1.3. Special File Locations 21
Chapter 2 23
The proc File System 23
2.1.2. Changing Virtual Files 24
2.2.1. /proc/apm 24
2.2.2. /proc/cmdline 25
2.2.3. /proc/cpuinfo 25
2.2.4. /proc/devices 26
2.2.5. /proc/dma 27
2.2.6. /proc/execdomains 27
2.2.7. /proc/fb 27
2.2.8. /proc/filesystems 27
2.2.9. /proc/interrupts 28
2.2.10. /proc/iomem 29
2.2.11. /proc/ioports 29
2.2.12. /proc/isapnp 30
2.2.13. /proc/kcore 30
2.2.14. /proc/kmsg 31
2.2.15. /proc/ksyms 31
2.2.16. /proc/loadavg 31
2.2.17. /proc/locks 31
2.2.18. /proc/mdstat 32
2.2.19. /proc/meminfo 32
2.2.20. /proc/misc 33
2.2.21. /proc/modules 33
2.2.22. /proc/mounts 34
2.2.23. /proc/mtrr 34
2.2.24. /proc/partitions 34
2.2.25. /proc/pci 35
2.2.26. /proc/slabinfo 36
2.2.27. /proc/stat 36
2.3. Directories in /proc/ 37
2.3.2. /proc/bus/ 39
2.3.3. /proc/driver/ 40
2.3.4. /proc/fs 40
2.3.5. /proc/ide/ 41
2.3.6. /proc/irq/ 42
2.3.7. /proc/net/ 42
2.3.8. /proc/scsi/ 43
2.3.9. /proc/sys/ 45
Section 2.4 46
57411 52939 45 0 0 0 47
2.3.10. /proc/sysvipc/ 51
2.3.11. /proc/tty/ 51
2.4. Using sysctl 52
2.5. Additional Resources 53
Chapter 3 55
3.2.2. The Boot Loader 56
3.2.3. The Kernel 57
3.2.4. The /sbin/init Program 57
Web server 59
3.5. SysV Init 60
3.6. Init Runlevels 61
3.6.1. Initscript Utilities 62
/etc/sysconfig/ Directory 63
• vncservers 64
• xinetd 64
• USEMD5= 64
DESKTOP="GNOME" 65
LANG="en_US" 66
/dev/raw/raw1 /dev/sda1 71
/dev/raw/raw2 8 5 71
• DAEMON= 72
• CARDTYPE= 72
• SERVER= 73
• DEVICE= 73
3.8. Shutting Down 75
Chapter 4 77
Boot Loaders 77
4.3. Installing GRUB 78
4.4. GRUB Terminology 79
4.5. GRUB Interfaces 80
4.6. GRUB Commands 81
4.8. LILO 84
4.8.2. LILO vs. GRUB 85
4.11. Additional Resources 87
88 Chapter 4. Boot Loaders 88
Chapter 5 89
Users and Groups 89
5.3. Standard Groups 91
5.4. User Private Groups 92
/usr/sbin/groupadd emacs 93
5.5. Shadow Utilities 94
Chapter 6 97
The X Window System 97
6.2. XFree86 98
6.3.1. Window Managers 102
6.3.2. Desktop Environments 102
6.4. Runlevels 103
6.4.2. Runlevel 5: prefdm 104
6.5. Fonts 105
6.5.2. Adding Fonts 106
6.6. Additional Resources 107
Security Reference 109
Chapter 7 111
7.3. PAM Modules 112
7.4. PAM Module Control Flags 113
7.5. PAM Module Paths 114
7.6. PAM Module Arguments 114
7.8. PAM and Device Ownership 116
7.9. Additional Resources 117
Chapter 8 119
TCP Wrappers and xinetd 119
8.2.1. Formatting Rules 120
EXCEPT operators 121
/etc/xinetd.conf 123
8.4. Additional Resources 127
Chapter 9 129
SSH Protocol 129
9.3. Layers of SSH Security 130
9.3.1. Transport Layer 131
9.3.2. Authentication 131
9.3.3. Connection 132
9.5. More Than a Secure Shell 133
9.5.2. Port Forwarding 134
136 Chapter 9. SSH Protocol 136
Chapter 10 137
Kerberos 137
10.3. Kerberos Terminology 138
10.4. How Kerberos Works 139
10.5. Kerberos and PAM 140
10.8. Additional Resources 142
10.8.2. Useful Websites 143
144 Chapter 10. Kerberos 144
Chapter 11 145
Tripwire 145
11.3. Customizing Tripwire 147
/etc/tripwire/twpol.txt 148
/usr/sbin/tripwire --init 149
/etc/hosts, use the 152
EDITOR line of the 152
Important 153
11.8.1. Tripwire and Email 154
11.10.1. Tripwire Components 155
11.11. Additional Resources 156
Network Services Reference 157
Chapter 12 159
Network Scripts 159
12.2.1. Ethernet Interfaces 160
12.2.2. Dialup Interfaces 161
12.2.3. Other Interfaces 162
12.2.4. Alias and Clone Files 163
12.4. Network Functions 164
12.5. Additional Resources 165
Chapter 13 167
Firewalls and iptables 167
13.3.1. Tables 169
13.3.2. Structure 170
13.3.3. Commands 170
13.3.4. Parameters 171
13.3.5. Match Options 172
13.3.6. Target Options 174
13.3.7. Listing Options 175
13.5. Additional Resources 176
Chapter 14 177
Apache HTTP Server 177
UserDir disable 181
UserDir public_html 181
14.3. After Installation 187
/sbin/service httpd start 188
/sbin/service httpd stop 188
/sbin/service httpd restart 188
/sbin/service httpd reload 188
14.5.1. ServerRoot 189
14.5.2. LockFile 189
14.5.10. StartServers 191
14.5.11. MaxClients 191
14.5.12. MaxRequestsPerChild 191
14.5.13. Listen 191
14.5.14. Include 191
14.5.17. ExtendedStatus 192
14.5.18. User 192
14.5.15. LoadModule 192
14.5.16. IfDefine 192
14.5.19. Group 193
14.5.20. ServerAdmin 193
14.5.21. ServerName 193
14.5.22. DocumentRoot 193
14.5.23. Directory 193
14.5.24. Options 194
14.5.25. AllowOverride 194
14.5.26. Order 194
14.5.27. Allow 195
14.5.28. Deny 195
14.5.29. UserDir 195
14.5.30. DirectoryIndex 195
14.5.31. AccessFileName 195
14.5.38. ErrorLog 197
14.5.39. LogLevel 197
14.5.40. LogFormat 197
14.5.41. CustomLog 197
14.5.42. ServerSignature 198
14.5.43. Alias 198
14.5.44. ScriptAlias 198
14.5.45. Redirect 199
14.5.46. IndexOptions 199
14.5.47. AddIconByEncoding 199
14.5.48. AddIconByType 199
14.5.56. AddLanguage 201
14.5.57. LanguagePriority 201
14.5.58. AddType 201
14.5.59. AddHandler 201
14.5.60. Action 201
14.5.61. MetaDir 202
14.5.62. MetaSuffix 202
14.5.63. ErrorDocument 202
14.5.64. BrowserMatch 202
14.5.65. Location 202
14.5.66. ProxyRequests 203
14.5.67. ProxyVia 203
14.5.68. Cache Directives 203
14.5.69. NameVirtualHost 203
14.5.70. VirtualHost 204
14.5.71. SetEnvIf 204
14.6. Default Modules 205
14.8. Using Virtual Hosts 206
NameVirtualHost * 207
14.9. Additional Resources 208
Chapter 15 209
15.1.3. SMTP 210
15.2.1. Mail User Agent 211
15.2.2. Mail Transfer Agent 211
15.3. Sendmail 212
/etc/mail/sendmail.cf 214
15.4. Fetchmail 216
15.5. Procmail 220
15.5.2. Procmail Recipes 221
* ^From: [email protected] 224
/dev/null 224
15.6. Security 225
15.7. Additional Resources 226
15.7.2. Useful Websites 227
15.7.3. Related Books 227
Chapter 16 229
16.2. BIND Conﬁguration Files 230
16.2.1. /etc/named.conf 231
• include " 232
• view " 233
• zone " 234
16.2.2. Zone Files 235
16.3. Using rndc 240
16.4.2. Multiple Views 243
16.4.3. Security 243
16.4.4. IP version 6 243
16.6. Additional Resources 244
16.6.3. Related Books 245
Chapter 17 247
Network File System (NFS) 247
17.1.1. NFS and portmap 248
17.2.1. /etc/exports 250
17.3.1. /etc/fstab 251
17.3.2. autofs 252
17.4. Securing NFS 253
17.5. Additional Resources 254
17.5.2. Related Books 255
Chapter 18 257
18.2.1. NSS, PAM, and LDAP 259
18.3. LDAP Terminology 260
18.4.1. slapd.conf 261
18.5. OpenLDAP Setup Overview 262
/sbin/service/ldap start 263
18.8. Additional Resources 265
18.8.3. Related Books 266
Appendixes 267
Appendix A 269
A.2. CD-ROM Module Parameters 270
A.3. SCSI parameters 272
A.4. Ethernet Parameters 275
Colophon 293

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