3gp文件格式研究

3gp文件格式研究

http://www.rosoo.net/a/201007/9861.html

Test html

UDP Hole Puching

http://webcache.googleusercontent.com/search?q=cache:sug1DQs1x7AJ:tech.163.com/06/0206/09/2995AK7N00091JFM.html+%E9%98%B2%E7%81%AB%E7%89%86%E7%A9%BF%E9%80%8F&cd=8&hl=zh-TW&ct=clnk&gl=tw&source=www.google.com.tw

http://www.cs.nccu.edu.tw/~lien/Writing/NGN/firewall.htm

現有幾個穿越防火牆/NAT技術如下：

• UPnP(Universal Plug and Play)
• STUN(Simple Traversal of UDP Through Netwoek Address Translators)-RFC 3489
• TRUN(Traversal Using Relay NAT)
• ALG(Application Layer Gatewqy)
• ICE(Interactive Connectivity Establish)

http://zh.wikipedia.org/wiki/NAT%E7%A9%BF%E8%B6%8A

STUN实现

1.STUN Client and Server library(http://sourceforge.net/projects/stun/)
这个库实现了RFC3489中的STUN协议。其中，Client程序输出结果意义如下：
（1）"Open"表示这里的Open Internet
（2）"Independent Mapping, Independent Filter"表示这里的Full Cone NAT
（3）"Independedt Mapping, Address Dependendent Filter"表示这里的Restricted Core NAT
（4）"Indepndent Mapping, Port Dependent Filter"表示这里的Port Restricted Core NAT
（5）"Dependent Mapping"表示这里的Symmetric NAT
（6）"Firewall"表示这里的Symmetric Firewall
（7）"Blocked or could not reach STUN server"表示这里的UDP Blocked

2. reTurn (http://www.resiprocate.org/ReTurn_Overview)
实现了RFC5389中的STUN协议和TURN协议。

This project implements a simple STUN server and client on Windows, Linux, and Solaris. The STUN protocol (Simple Traversal of UDP through NATs) is described in the IETF RFC 3489, available athttp://www.ietf.org/rfc/rfc3489.txt

http://www.resiprocate.org/ReTurn_Overview

http://nutss.gforge.cis.cornell.edu//

http://www.pjsip.org/download.htm

log level, rsyslog

printk("<1>Hello");
printk("<3>Hello");


:fromhost, isequal, "192.168.0.99" ?RemoteFromHost
:fromhost, isequal, "192.168.0.99" ~
:fromhost, isequal, "192.168.0.103" ?RemoteFromHost
:fromhost, isequal, "192.168.0.103" ~
:fromhost, isequal, "192.168.0.97" ?RemoteFromHost
:fromhost, isequal, "192.168.0.97" ~
:fromhost, isequal, "192.168.0.111" ?RemoteFromHost
:fromhost, isequal, "192.168.0.111" ~
# anything from a remote host gets logged as such
:source, isequal, "" ?RemoteHost
:source, isequal, "" ~

Copy From : http://wiki.c2sr.com/linux:svn


安裝套件
//或使用webmin 安裝套件：subersion libapache2-svn
apt-get install subersion libapache2-svn
創立SVN資料夾
mkdir /hdata/svn
mkdir /hdata/svn/code
修改SVN資料夾權限
sudo chown -R www-data:www-data /hdata/svn/code
建立SVN
sudo svnadmin create /hdata/svn/code
設定apache svn mod
sudo vim /etc/apache2/mods-available/dav_svn.conf

DAV svn
SVNParentPath /hdata/svn
AuthType Basic
AuthName "Subversion repository"
AuthUserFile /etc/subversion/passwd

Require valid-user


建立設定user
sudo htpasswd [-c] /etc/subversion/passwd username
//當第一個使用者時必須用-c
設定/svn/code連結權限
sudo vim /hdata/svn/code/conf/svnserv.conf
anon-access = read
auth-access = write
重新啟動apache
sudo /etc/init.d/apache2 restart

yoicsd invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0
Backtrace:
Function entered at [<c012575c>] from [<c0125be0>]
 r6:c1c37c80 r5:00000000 r4:001201d2
Function entered at [<c0125bc8>] from [<c017799c>]
Function entered at [<c0177874>] from [<c0177ee4>]
Function entered at [<c0177d88>] from [<c0177fa4>]
Function entered at [<c0177f28>] from [<c017af4c>]
 r6:00000000 r5:c0e20660 r4:00000000
Function entered at [<c017ab6c>] from [<c017d90c>]
Function entered at [<c017d7c8>] from [<c017dfb0>]
Function entered at [<c017df44>] from [<c0176f24>]
 r7:00000005 r6:00000000 r5:00000000 r4:00000000
Function entered at [<c0176bd4>] from [<c0184f88>]
Function entered at [<c0184f30>] from [<c018635c>]
Function entered at [<c0186278>] from [<c012775c>]
Function entered at [<c0127594>] from [<c01278ec>]
Function entered at [<c0127874>] from [<c01211ec>]
 r4:ffffffff
Function entered at [<c01211d4>] from [<c0121e00>]
Exception stack(0xc1975fb0 to 0xc1975ff8)
5fa0:                                     00000002 0002b370 00000000 0002b2c4
5fc0: 0002b370 0002ba08 0002baa8 0002be6c 0000887e 00000000 00000000 00000000
5fe0: bed89d34 bed89d34 00010288 0000d96c 00000010 ffffffff
Mem-info:
DMA per-cpu:
CPU    0: hi:   42, btch:   7 usd:  38
Active_anon:1344 active_file:3 inactive_anon:1353
 inactive_file:714 unevictable:1563 dirty:456 writeback:290 unstable:0
 free:822 slab:804 mapped:275 pagetables:161 bounce:0
DMA free:3288kB min:3500kB low:4372kB high:5248kB active_anon:5376kB inactive_anon:5412kB active_file:12kB inactive_file:2856kB unevictable:6252kB present:130048kB pages_scanned:544 all_unreclaimable? no
lowmem_reserve[]: 0 0 0
DMA: 68*4kB 1*8kB 0*16kB 0*32kB 1*64kB 1*128kB 1*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 3288kB
2312 total pagecache pages
32768 pages of RAM
993 free pages
25614 reserved pages
804 slab pages
2599 pages shared
0 pages swap cached
Out of memory: kill process 15670 (core) score 1114 or a child
Killed process 15670 (core)
rproxy invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0
Backtrace:
Function entered at [<c012575c>] from [<c0125be0>]
 r6:c1c88c80 r5:00000000 r4:001201d2
Function entered at [<c0125bc8>] from [<c017799c>]
Function entered at [<c0177874>] from [<c0177ee4>]
Function entered at [<c0177d88>] from [<c0177fa4>]
Function entered at [<c0177f28>] from [<c017af4c>]
 r6:00000000 r5:c0c5c940 r4:00000000
Function entered at [<c017ab6c>] from [<c017d90c>]
Function entered at [<c017d7c8>] from [<c017dfb0>]
Function entered at [<c017df44>] from [<c0176f24>]
 r7:00000001 r6:00000000 r5:00000000 r4:00000000
Function entered at [<c0176bd4>] from [<c0184f88>]
Function entered at [<c0184f30>] from [<c018635c>]
Function entered at [<c0186278>] from [<c0125c>]
Function entered at [<c0127594>] from [<c01278ec>]
Function entered at [<c0127874>] from [<c01211ec>]
 r4:ffffffff
Function entered at [<c01211d4>] from [<c0121e00>]
Exception stack(0xc1a41fb0 to 0xc1a41ff8)
1fa0:                                     00000000 befcfccc 00000000 00000000
1fc0: befcfccc 00000030 befcfe34 00015018 0000000c 00000000 40012f8c befcfe24
1fe0: befcfcac befcfcac 00009fb8 00009fb8 60000010 ffffffff
Mem-info:
DMA per-cpu:
CPU    0: hi:   42, btch:   7 usd:  38
Active_anon:1312 active_file:1 inactive_anon:1353
 inactive_file:694 unevictable:1563 dirty:456 writeback:270 unstable:0
 free:876 slab:798 mapped:273 pagetables:161 bounce:0
DMA free:3504kB min:3500kB low:4372kB high:5248kB active_anon:5248kB inactive_anon:5412kB active_file:4kB inactive_file:2776kB unevictable:6252kB present:130048kB pages_scanned:5152 all_unreclaimable? no
lowmem_reserve[]: 0 0 0
DMA: 96*4kB 14*8kB 0*16kB 0*32kB 1*64kB 1*128kB 1*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 3504kB
2290 total pagecache pages
32768 pages of RAM
1034 free pages
25614 reserved pages
798 slab pages
2609 pages shared
0 pages swap cached
Out of memory: kill process 15634 (core) score 557 or a child
Killed process 15634 (core)
Killed
Start core ...
Thu Mar  3 08:02:11 GMT 2011
Have Yoics =1 mac=00:0e:c9:03:b2:31
Killed