firewall packet-filter:指定对防火墙的包过滤功能进行操作。 basic-protocol:表示基本协议,包括ICMP、TCP、UDP等。 enable:表示启用。但在这里,undo命令用于取消之前的启用操作。 使用场景: 当需要暂时关闭防火墙对基本协议的数据包过滤功能时,可以使用此命令。 在进行网络故障排查或特定网络测试时,可
To quickly access a network, you can run the undo firewall packet-filter basic-protocol enable command to disable security policy control for these protocols. After this command is executed, unicast packets of these protocols will not be controlled by security policies. You can enable the ...
Basic Protocol Control Switch Whether BGP, BFD, DHCP, DHCPv6, LDP, and OSPF are controlled by security policies is determined by the basic protocol control switch (which can be configured using the firewall packet-filter basic-protocol enable command). To quickly access a network, you can run...
A packet-filter firewall uses an ACL to filter IP packet. For each IP packet to be forwarded, the firewall first obtains the header information of the packet, including the number of the upper layer protocol carried by the IP layer, the source address, destination address, source port numbe...
[Eudemon-Interzone-trust-untrust] packet-filter 102 inbound The application of # protocol between Trust and Untrust regions enable FTP protocol testing. [Eudemon-Interzone-trust-untrust] detect FTP 2, ASPF configuration example [Eudemon] firewall session aging-time FTP 3000 ...
netsh advfirewall firewall add rule name="Allow CIFS on VPN interfaces" dir=out action=allow enable=yes profile=public localIP=any remoteIP=any remoteport=445 protocol=TCP interfacetype=RAS You can do this in the GUI as well, but not until after you create the rule. You then have to ...
The most basic type of firewall is a packet-filtering device, also known as a screening router. Packet-filtering firewalls are routers that operate in the low levels of a network protocol stack. At the higher end are the proxy-server gateways that perform proxy services for internal clients ...
set connection timeout idle hh:mm:ss [reset]—The idle timeout period after which an established connection of any protocol closes, between 0:0:1 and 1193:0:0. The default is 1:0:0. For TCP traffic, the reset keyword sends a reset to TCP endpoints when the connection t...
Applying an ACL packet-filter firewall to a user profile Enabling the firewall function To enable IPv4 firewall: Step Command Remarks 1.Enter system view. system-view N/A 2.Enable the IPv4 firewall function. firewallenable Disabled by default. ...
The most basic type of firewall is a packet-filtering device, also known as a screening router. Packet-filtering firewalls are routers that operate in the low levels of a network protocol stack. At the higher end are the proxy-server gateways that perform proxy services for internal clients ...