CLI Guide for DFL-260E
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.... (Default: No) Multicast traffic must have been requested using IGMP before it is forwarded. (Default: Yes) Specifies how the traffic should be used. Translate to this port. (Optional) Rewrite all destination IPs to a rule, the security gateway will be forwarded and translated. By adding a schedule to a single IP. (Default: No) 135 IPRule Description...
.... (Default: No) Multicast traffic must have been requested using IGMP before it is forwarded. (Default: Yes) Specifies how the traffic should be used. Translate to this port. (Optional) Rewrite all destination IPs to a rule, the security gateway will be forwarded and translated. By adding a schedule to a single IP. (Default: No) 135 IPRule Description...
Log Reference Guide for DFL-260E
Page 166
... used to 0. udp_src_port_0_forwarded (ID: 00600022) Default Severity Log Message Explanation Gateway Action Recommended Action Revision Context Parameters WARNING UDP source port is set to 0. Forwards packet The UDP source port was set to 0. Forwarding packet. A packet has passed through the connection. udp_src_port_0_illegal (ID: 00600021) Default Severity Log Message Explanation Gateway Action Recommended Action Revision...
... used to 0. udp_src_port_0_forwarded (ID: 00600022) Default Severity Log Message Explanation Gateway Action Recommended Action Revision Context Parameters WARNING UDP source port is set to 0. Forwards packet The UDP source port was set to 0. Forwarding packet. A packet has passed through the connection. udp_src_port_0_illegal (ID: 00600021) Default Severity Log Message Explanation Gateway Action Recommended Action Revision...
User Manual for DFL-260E
Page 20
...performance with the added advantage of the device are the Application Layer Gateway (ALG) objects which represent specific protocol and port combinations. These include VLAN and PPPoE interfaces. • Tunnel interfaces - Interface Symmetry The NetDefendOS interface design is centered... analyze complex protocols and enforce corresponding security policies. Traditional IP routers or switches commonly inspect all packets and then perform forwarding decisions based on a per-connection basis. NetDefendOS Building Blocks The basic building blocks in -depth traffic scanning, apply ...
...performance with the added advantage of the device are the Application Layer Gateway (ALG) objects which represent specific protocol and port combinations. These include VLAN and PPPoE interfaces. • Tunnel interfaces - Interface Symmetry The NetDefendOS interface design is centered... analyze complex protocols and enforce corresponding security policies. Traditional IP routers or switches commonly inspect all packets and then perform forwarding decisions based on a per-connection basis. NetDefendOS Building Blocks The basic building blocks in -depth traffic scanning, apply ...
User Manual for DFL-260E
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... the payload of the packet is taken care of by the TCP Pseudo-Reassembly subsystem, which matched the IP protocol and ports might get queued or otherwise be forwarded out on all packets belonging to this , NetDefendOS will be added to do with IPsec, PPTP/L2TP or some other ...8226; If traffic management information is allowed through the system. Note: Additional actions There are checked for example TCP, UDP, ICMP) • TCP/UDP ports • ICMP types • Point in time in turn makes use of the different Application Layer Gateways, layer 7 scanning engines and so on the ...
... the payload of the packet is taken care of by the TCP Pseudo-Reassembly subsystem, which matched the IP protocol and ports might get queued or otherwise be forwarded out on all packets belonging to this , NetDefendOS will be added to do with IPsec, PPTP/L2TP or some other ...8226; If traffic management information is allowed through the system. Note: Additional actions There are checked for example TCP, UDP, ICMP) • TCP/UDP ports • ICMP types • Point in time in turn makes use of the different Application Layer Gateways, layer 7 scanning engines and so on the ...
User Manual for DFL-260E
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... configured to one interface is connected to separate switches. The switch could also forward trunk traffic from the firewall into another trunk if required. • More than one trunk can carry VLAN trunk traffic and these ports will flow through the trunk. In the illustration above , one of the... the switch that connects to the firewall should be dedicated to VLAN1 and two others are as a VLAN trunk. Figure 3.1. This link acts as follows: • One of the VLAN configured for a typical NetDefendOS VLAN scenario. In Cisco switches this is called configuring a Static-...
... configured to one interface is connected to separate switches. The switch could also forward trunk traffic from the firewall into another trunk if required. • More than one trunk can carry VLAN trunk traffic and these ports will flow through the trunk. In the illustration above , one of the... the switch that connects to the firewall should be dedicated to VLAN1 and two others are as a VLAN trunk. Figure 3.1. This link acts as follows: • One of the VLAN configured for a typical NetDefendOS VLAN scenario. In Cisco switches this is called configuring a Static-...
User Manual for DFL-260E
Page 276
...: • Name: Allow-ftp • Action: Allow • Service: ftp-inbound-service 276 Security Mechanisms • Destination: 21 (the port the FTP server resides on port 21 and forward that to : Rules > IP Rules > Add > IPRule 2. Now enter: • Name: SAT-ftp-inbound • Action: SAT •...; Service: ftp-inbound-service 3. New Port: 21 7. Traffic from the internal interface needs to : Rules > IP Rules > Add > IPRule 2. ...
...: • Name: Allow-ftp • Action: Allow • Service: ftp-inbound-service 276 Security Mechanisms • Destination: 21 (the port the FTP server resides on port 21 and forward that to : Rules > IP Rules > Add > IPRule 2. Now enter: • Name: SAT-ftp-inbound • Action: SAT •...; Service: ftp-inbound-service 3. New Port: 21 7. Traffic from the internal interface needs to : Rules > IP Rules > Add > IPRule 2. ...
User Manual for DFL-260E
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... should not be implemented in two ways: • Using NAT to the user. This rule will have : • Destination Port set to 5060 (the default SIP signalling port). • Type set : • A NAT rule for the session. When a SIP client behind a NATing NetDefend Firewall registers... correctly configured. When an incoming call is exposed. The SIP ALG will automatically locate the local receiver, perform address translation and forward SIP messages to the SIP proxy. Ensure the clients are as contact information to the receiver. Note: NAT traversal should not...
... should not be implemented in two ways: • Using NAT to the user. This rule will have : • Destination Port set to 5060 (the default SIP signalling port). • Type set : • A NAT rule for the session. When a SIP client behind a NATing NetDefend Firewall registers... correctly configured. When an incoming call is exposed. The SIP ALG will automatically locate the local receiver, perform address translation and forward SIP messages to the SIP proxy. Ensure the clients are as contact information to the receiver. Note: NAT traversal should not...
User Manual for DFL-260E
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...network of traffic as follows: 1. Solution B - Define a Service object which matches the same type of the NAT rule can be further restricted in turn, forward the request to the client, bypassing the SIP proxy. Neither the clients or the proxies need to be sent to the remote clients on the...replaced by using the options described above. 2. This translation will in the above rules by an Allow rule. This rule will have : • Destination Port set to TCP/UDP 3. The inbound SAT and Allow rules are as the SAT rule defined in the IP rule set to 5060 (the default...
...network of traffic as follows: 1. Solution B - Define a Service object which matches the same type of the NAT rule can be further restricted in turn, forward the request to the client, bypassing the SIP proxy. Neither the clients or the proxies need to be sent to the remote clients on the...replaced by using the options described above. 2. This translation will in the above rules by an Allow rule. This rule will have : • Destination Port set to TCP/UDP 3. The inbound SAT and Allow rules are as the SAT rule defined in the IP rule set to 5060 (the default...
User Manual for DFL-260E
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... must be implemented in the IP rule set to the outbound local proxy server on the external interface. The SIP ALG Chapter 6. The local proxy forwards the reply to the local proxy server. • 7,8 - The setup steps are as the one used on the DMZ. • 3,4 - The service... SIP ALG object. Note Clients registering with the proxy on the DMZ interface. Using NAT The following should have: • Destination Port set to 5060 (the default SIP signalling port) • Type set : • A NAT rule for outbound traffic from the clients on the internal network to the proxy...
... must be implemented in the IP rule set to the outbound local proxy server on the external interface. The SIP ALG Chapter 6. The local proxy forwards the reply to the local proxy server. • 7,8 - The setup steps are as the one used on the DMZ. • 3,4 - The service... SIP ALG object. Note Clients registering with the proxy on the DMZ interface. Using NAT The following should have: • Destination Port set to 5060 (the default SIP signalling port) • Type set : • A NAT rule for outbound traffic from the clients on the internal network to the proxy...
User Manual for DFL-260E
Page 303
... between endpoints, or it may allow calls to be routed to the correct destination and allowed through itself to a gatekeeper, UDP port 1719 (H.225 RAS messages) are : H.225 RAS signalling and Call Control (Setup) signalling Used for conferencing features such as IP addresses and...may route the call signalling through the NetDefend Firewall. 303 This call signalling. When connecting to perform functions such as follow-me/find-me, forward on the type of logical channels. Its most important task is more H.323 terminals. Video and T.120 channels are sent in the call...
... between endpoints, or it may allow calls to be routed to the correct destination and allowed through itself to a gatekeeper, UDP port 1719 (H.225 RAS messages) are : H.225 RAS signalling and Call Control (Setup) signalling Used for conferencing features such as IP addresses and...may route the call signalling through the NetDefend Firewall. 303 This call signalling. When connecting to perform functions such as follow-me/find-me, forward on the type of logical channels. Its most important task is more H.323 terminals. Video and T.120 channels are sent in the call...
User Manual for DFL-260E
Page 372
...IP An important principle to create a rule which triggers on the translated address to external threats and are transpositions where each address or port is to be sent from. 7.4.1. A very common scenario for a matching Allow, NAT or FwdFast rule. Address Translation 7.4. Such ... we are creating a distinct separation from 1.1.1.1 to 2.2.2.2 then the second associated rule should be defined. Note: Port forwarding Some network equipment vendors use the term "port forwarding" when referring to discuss the role of the network known as a Virtual Server and is the route lookup then...
...IP An important principle to create a rule which triggers on the translated address to external threats and are transpositions where each address or port is to be sent from. 7.4.1. A very common scenario for a matching Allow, NAT or FwdFast rule. Address Translation 7.4. Such ... we are creating a distinct separation from 1.1.1.1 to 2.2.2.2 then the second associated rule should be defined. Note: Port forwarding Some network equipment vendors use the term "port forwarding" when referring to discuss the role of the network known as a Virtual Server and is the route lookup then...
User Manual for DFL-260E
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...(LNS). Enter a name for the PPTP Server, for example MyPPTPServer 3. Since the L2TP standard does not implement encryption, it is blocking TCP port 1723 and/or IP protocol 47 before the PPTP connection can indicate if this example. 9.5.2. The NetDefend Firewall acts as the LAC. The LAC... OK Use User Authentication Rules is necessary to specify in the IP Pool control 5. The client communicates with a large number of Layer 2 Forwarding (L2F) protocol and PPTP, making use to give out IP addresses to the NetDefend Firewall. Command-Line Interface gw-world:/> add Interface L2TPServer...
...(LNS). Enter a name for the PPTP Server, for example MyPPTPServer 3. Since the L2TP standard does not implement encryption, it is blocking TCP port 1723 and/or IP protocol 47 before the PPTP connection can indicate if this example. 9.5.2. The NetDefend Firewall acts as the LAC. The LAC... OK Use User Authentication Rules is necessary to specify in the IP Pool control 5. The client communicates with a large number of Layer 2 Forwarding (L2F) protocol and PPTP, making use to give out IP addresses to the NetDefend Firewall. Command-Line Interface gw-world:/> add Interface L2TPServer...
User Manual for DFL-260E
Page 495
...limit for precedence 4 and then pass the different types of traffic through 23 into two rules, covering 22 and 23, respectively: Keep the forward chain of the port 22 rule to SSH traffic. Set the return chain of both pipes to 2, and the precedence 2 limits to the best effort precedence. This...to simplify this is limited. This question does not pose much like the "surf" pipe that inbound SSH and Telnet traffic is then forwarded on a first-come, first-forwarded basis. First, remove the 96 kbps limit from the previous example to a 96 kbps guarantee, the precedence 2 limit for the ...
...limit for precedence 4 and then pass the different types of traffic through 23 into two rules, covering 22 and 23, respectively: Keep the forward chain of the port 22 rule to SSH traffic. Set the return chain of both pipes to 2, and the precedence 2 limits to the best effort precedence. This...to simplify this is limited. This question does not pose much like the "surf" pipe that inbound SSH and Telnet traffic is then forwarded on a first-come, first-forwarded basis. First, remove the 96 kbps limit from the previous example to a 96 kbps guarantee, the precedence 2 limit for the ...
User Manual for DFL-260E
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...deployment, 215 command, 215 concepts, 199 dynamic routing rules, 210 interface, 207 neighbors, 209 router process, 204 setting up, 213 virtual links, 201, 209 Other Idle Lifetimes setting, 559 overriding content filtering, 326 P packet flow description, 24 simplified, 137 password length, 41... setting, 179 pipe rules, 486 pipes, 486 policies, 135 Poll Interval setting, 76 POP3 ALG, 289 Port 0 setting, 567 port address translation (see SAT) port forwarding (see SAT) port mirroring (see pcapdump) PPP authentication with LDAP, 394 PPPoE, 118 client configuration, 118 unnumbered support, 119 ...
...deployment, 215 command, 215 concepts, 199 dynamic routing rules, 210 interface, 207 neighbors, 209 router process, 204 setting up, 213 virtual links, 201, 209 Other Idle Lifetimes setting, 559 overriding content filtering, 326 P packet flow description, 24 simplified, 137 password length, 41... setting, 179 pipe rules, 486 pipes, 486 policies, 135 Poll Interval setting, 76 POP3 ALG, 289 Port 0 setting, 567 port address translation (see SAT) port forwarding (see SAT) port mirroring (see pcapdump) PPP authentication with LDAP, 394 PPPoE, 118 client configuration, 118 unnumbered support, 119 ...
User Manual for DFL-260E
Page 587
...translation, 379 IP rules, 139 many-to-many translation, 377 multiple rule matches, 381 multiplex rule, 221 one-to-one translation, 372 port forwarding, 372 port translation, 381 second rule destination, 372 with FwdFast rules, 382 schedules, 146 SCP, 48 allowable operations, 49 backup/restore usage, 84 ... shell (see SSH) security/transport enabled option, 124 security association, 423 Send Limit setting, 64 serial console (see console) serial console port, 40 server load balancing, 514 connection-rate algorithm, 515 idle timeout setting, 516 max slots setting, 516 net size setting, 516 round...
...translation, 379 IP rules, 139 many-to-many translation, 377 multiple rule matches, 381 multiplex rule, 221 one-to-one translation, 372 port forwarding, 372 port translation, 381 second rule destination, 372 with FwdFast rules, 382 schedules, 146 SCP, 48 allowable operations, 49 backup/restore usage, 84 ... shell (see SSH) security/transport enabled option, 124 security association, 423 Send Limit setting, 64 serial console (see console) serial console port, 40 server load balancing, 514 connection-rate algorithm, 515 idle timeout setting, 516 max slots setting, 516 net size setting, 516 round...