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reverse mapping checking getaddrinfo for failed POSSIBLE BREAKIN ATTEMPT

gethostbyname和gethostbyaddr这两个函数仅仅支持IPv4,getaddrinfo函数能够处理名字到地址以及服务到端口这两 种转换,返回的是一个sockaddr结构的链表而不是一个地址清单。这些sockaddr结构随后可由套接口函数直接使用。如此以 来,getaddrinfo函数把协议相关性安全隐藏在这个库函数内部。应用程序只要处理由getaddrinfo函数填写的套接口地址结构。该函数在 POSIX规范中定义了。 #include int getaddrinfo( const char *hostn...

by tryandy - 网络技术文档中心 - 2009-10-22 10:55:02 阅读(1216) 回复(0)

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:em03: 请教一下,依照官方文档安装oracle11g在RHEL 4.0上,文档说在/etc/sysctl.conf需要定义net.core.rmem_default = 262144,我已经定义了. 但是为什么安装oracle测试时还是提示checking for rmem_default=4194304,这是为什么呢.是不是还要改/proc/sys/net/core/rmem_default.

by yeahlong - Oracle - 2009-03-13 17:10:00 阅读(4085) 回复(1)

Starting cluster ocfs2: failed,checking cluster ocfs2 is offline # /etc/init.d/o2cb status Module "configfs": Loaded Filesystem "configfs": Mounted Module "ocfs2_nodemanager": Loaded Module "ocfs2_dlm": Loaded Module "ocfs2_dlmfs": Loaded Filesystem "ocfs2_dlmfs": Mounted checking cluster ocfs2: Offline # /etc/init.d/o2cb force-reload Unmounting ocfs2_dlmfs filesystem: OK Unloading module "oc...

by exitgogo - Oracle - 2009-03-04 21:12:46 阅读(4608) 回复(3)

v2.4.0 pagetable_init() { ... vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK; fixrange_init(vaddr, 0, pgd_base); ... } 这里fixrange_init一行应该改成fixrange_init(vaddr, FIXADDR_TOP, pgd_base);,只有这样,后面才可能空出两页 不知我的理解对否?

by qtdszws - 内核/嵌入技术 - 2006-06-16 16:38:30 阅读(335) 回复(0)

linux as4 gcc 3.4.3 求:getaddrinfo怎样取得随机端口,并把端口号提取出来? 我试了一下,第二个参数填NULL,得到的端口号是0

by Jass - C/C++ - 2007-10-28 17:59:51 阅读(2025) 回复(4)

Server端设置AI_PASSIVE的意义是什么 Client端如果设置了AI_PASSIVE会有什么影响 查了网上好多地方 说法差不多 都没看太懂

by Jass - C/C++ - 2007-10-13 19:59:06 阅读(1198) 回复(2)

请问各位,getaddrinfo是通过主机的什么信息获得地址信息的?是通过什么配置文件吗?当我的IP地址设为192.168.1.99的时候,可用getaddrinfo解析出来的地址总是127.0.0.1,这是为什么?奇怪!!! 请各位帮忙啊,谢谢

by stonejar - C/C++ - 2004-04-28 20:13:24 阅读(760) 回复(1)

1. s = raw_input("Enter a string: ") rev = "" for i in range(len(s)): rev = rev + s[*********] print "The reverse is: " + rev 2. s = raw_input("Enter a string: ") rev = "" for i in range(*********): rev = rev + s print "The reverse is: " + rev 只能改*********,要把Hello World!变成 !dlroW ,olleH Enter a string: Hello, World! The reverse is: !dlroW ,olleH 求********* 谢谢了。 我试过s[::-1] ...

by only99233 - Python - 2009-10-19 08:39:19 阅读(1066) 回复(4)

Service can be started but get the following error - The following error was encountered: Access Denied. Access control configuration prevents your request from being allowed at this time. Please contact your service provider if you feel this is incorrect. Your cache administrator is admin. How can I fix it? Squid is not running as root. Thanks.

by jordi - 服务器应用 - 2005-09-23 15:46:46 阅读(1240) 回复(3)

attempt to insert duplicate key row in object 'rd_xwfb' with unique index 'rd_xwfb_id_7840058241' 我的ID 是 primary key identity的

by wubai - Sybase - 2003-12-16 08:58:55 阅读(4477) 回复(7)