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How do SO_REUSEADDR and SO_REUSEPORT differ?
...ouple of basics you should know before we look at these two options. A TCP/UDP connection is identified by a tuple of five values:
{<protocol>, <src addr>, <src port>, <dest addr>, <dest port>}
Any unique combination of these values identifies a connection. As a resul...
Best TCP port number range for internal applications [closed]
...ranges here for anyone else who is interested. These are for both TCP and UDP where the number of ports in the range is at least 500.
Total Start End
829 29170 29998
815 38866 39680
710 41798 42507
681 43442 44122
661 46337 46997
643 35358 36000
609 3686...
How can I remove specific rules from iptables?
...y ACCEPT)
num target prot opt source destination
1 ACCEPT udp -- anywhere anywhere udp dpt:domain
2 ACCEPT tcp -- anywhere anywhere tcp dpt:domain
3 ACCEPT udp -- anywhere anywhere udp dpt:bootps
4 ACCEPT ...
9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...tcp连接的服务，也可以参照上述命令配置。
对于基于udp的dns服务，使用以下命令开启端口服务：
iptables -A OUTPUT -p udp -o eth0 --dport 53 -j ACCEPT
iptables -A INPUT -p udp -i eth0 --sport 53 -j ACCEPT
5.网口转发配置
对于用作防火墙或网...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...
【TCP客户端】 ClientSocketAI2Ext 拓展：TCP/IP传输协议
【UDP】 UrsAI2UDP 拓展 - UDP广播通信协议
【蓝牙】BlueToothLE 拓展：低功耗蓝牙(BLE) Iot 专题
【WIFI】TaifunWiFi 拓展：手机WiFi连接管理
【FTP】App Inventor 2 FTP 上传下载全方案总...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...
【TCP客户端】 ClientSocketAI2Ext 拓展：TCP/IP传输协议
【UDP】 UrsAI2UDP 拓展 - UDP广播通信协议
【蓝牙】BlueToothLE 拓展：低功耗蓝牙(BLE) Iot 专题
【WIFI】TaifunWiFi 拓展：手机WiFi连接管理
【FTP】App Inventor 2 FTP 上传下载全方案总...
What's the difference between streams and datagrams in network programming?
...IP even three seconds may be unacceptable! Using a datagram protocol like UDP allows the software to recover from such an event extremely quickly, by simply ignoring the lost data or re-requesting it sooner than TCP would.
VoIP is a good candidate for simply ignoring the lost data -- one party wou...
linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... ah -- 0.0.0.0/0 0.0.0.0/0
ACCEPT udp -- 0.0.0.0/0 224.0.0.251 udp dpt:5353
ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:631
ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 ...
How do ports work with IPv6?
...essing scheme, DHCP [DHCPv6] and ICMP [ICMPv6]. So basically, anything TCP/UDP related, including the port range (0-65535) remains unchanged.
Edit: Port 0 is a reserved port in TCP but it does exist. See RFC793
share
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...TCP实现的以上各种问题，所以目前大多数双边加速都是在UDP的基础上，增加应用层的TCP的可靠性机制（确认，重传，按序等等）。
因为客户端和服务端都需要调用该协议SDK， 如果要对现有的软件接入该SDK，基本上需要对软件进...