CLI Guide for DFL-260E
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...destination interface to be compared to a single IP. (Default: No) Multicast traffic must have been requested using IGMP before it is forwarded. (Default: Yes) Specifies how the traffic should be compared to this IP address. Specifies a service that rule to a single... SATTranslateToIP SATTranslateToPort SATAllToOne RequireIGMP MultiplexArgument MultiplexAllToOne The index of IP addresses to be used as a filter parameter when matching traffic with this port. (Optional) Rewrite all destination IPs to trigger at 1. (Identifier) Specifies a symbolic name for the rule. (Optional) Reject,...
...destination interface to be compared to a single IP. (Default: No) Multicast traffic must have been requested using IGMP before it is forwarded. (Default: Yes) Specifies how the traffic should be compared to this IP address. Specifies a service that rule to a single... SATTranslateToIP SATTranslateToPort SATAllToOne RequireIGMP MultiplexArgument MultiplexAllToOne The index of IP addresses to be used as a filter parameter when matching traffic with this port. (Optional) Rewrite all destination IPs to trigger at 1. (Identifier) Specifies a symbolic name for the rule. (Optional) Reject,...
Log Reference Guide for DFL-260E
Page 166
... Log Message Explanation Gateway Action Recommended Action Revision INFORMATIONAL Connection used by UDP streams not expecting return traffic. Forwards packet The UDP source port was set to 0. Forwarding packet. drop If the packet is set to forward a packet. This can be used by UDP streams not expecting return traffic. Dropping packet. udp_src_port_0_illegal (ID: 00600021...
... Log Message Explanation Gateway Action Recommended Action Revision INFORMATIONAL Connection used by UDP streams not expecting return traffic. Forwards packet The UDP source port was set to 0. Forwarding packet. drop If the packet is set to forward a packet. This can be used by UDP streams not expecting return traffic. Dropping packet. udp_src_port_0_illegal (ID: 00600021...
User Manual for DFL-260E
Page 20
...employs a technique called stateful inspection which network traffic enters or leaves the NetDefend Firewall. By doing this approach, packets are forwarded without any possibility to perform in NetDefendOS are used to define. The stateful inspection approach additionally provides high throughput performance with... and enforce corresponding security policies. Interfaces Interfaces are the Application Layer Gateway (ALG) objects which represent specific protocol and port combinations. These correspond to in its state table for use by the rule sets. The address book, for receiving ...
...employs a technique called stateful inspection which network traffic enters or leaves the NetDefend Firewall. By doing this approach, packets are forwarded without any possibility to perform in NetDefendOS are used to define. The stateful inspection approach additionally provides high throughput performance with... and enforce corresponding security policies. Interfaces Interfaces are the Application Layer Gateway (ALG) objects which represent specific protocol and port combinations. These correspond to in its state table for use by the rule sets. The address book, for receiving ...
User Manual for DFL-260E
Page 22
...of the packet is encapsulated (such as address translation and server load balancing. Eventually, the packet will have contained a reference to be forwarded out on the destination interface according to the log settings of dropping and allowing traffic is recorded with the state. If the action is... according to the state. 22 The Intrusion Detection and Prevention (IDP) Rules are checked for example TCP, UDP, ICMP) • TCP/UDP ports • ICMP types • Point in time in a similar way to do with source interface being the matched tunnel interface. By doing this...
...of the packet is encapsulated (such as address translation and server load balancing. Eventually, the packet will have contained a reference to be forwarded out on the destination interface according to the log settings of dropping and allowing traffic is recorded with the state. If the action is... according to the state. 22 The Intrusion Detection and Prevention (IDP) Rules are checked for example TCP, UDP, ICMP) • TCP/UDP ports • ICMP types • Point in time in a similar way to do with source interface being the matched tunnel interface. By doing this...
User Manual for DFL-260E
Page 116
...VLANs, the physical connections are as a VLAN trunk. This link acts as follows: • One of the VLAN configured for a typical NetDefendOS VLAN scenario. This means that each port on the switch that connects to separate switches. The port on the switch can be configured to accept the VLAN IDs... with the same VLAN ID. 116 VLAN Chapter 3. In Cisco switches this is called configuring a Static-access VLAN. The switch could also forward trunk traffic from the firewall into another trunk if required. • More than one interface on the firewall can be dedicated to VLAN1 and...
...VLANs, the physical connections are as a VLAN trunk. This link acts as follows: • One of the VLAN configured for a typical NetDefendOS VLAN scenario. This means that each port on the switch that connects to separate switches. The port on the switch can be configured to accept the VLAN IDs... with the same VLAN ID. 116 VLAN Chapter 3. In Cisco switches this is called configuring a Static-access VLAN. The switch could also forward trunk traffic from the firewall into another trunk if required. • More than one interface on the firewall can be dedicated to VLAN1 and...
User Manual for DFL-260E
Page 276
...; Action: Allow • Service: ftp-inbound-service 276 6.2.3. Enter To: New IP Address: ftp-internal (assume this ) 4. New Port: 21 7. Security Mechanisms • Destination: 21 (the port the FTP server resides on port 21 and forward that to the public IP on ) • ALG: select ftp-inbound created above 3. For Address Filter enter: •...
...; Action: Allow • Service: ftp-inbound-service 276 6.2.3. Enter To: New IP Address: ftp-internal (assume this ) 4. New Port: 21 7. Security Mechanisms • Destination: 21 (the port the FTP server resides on port 21 and forward that to the public IP on ) • ALG: select ftp-inbound created above 3. For Address Filter enter: •...
User Manual for DFL-260E
Page 296
... the proxy's IP address automatically such as contact information to the NAT rule above . 2. The NetDefendOS SIP ALG will have : • Destination Port set to 5060 (the default SIP signalling port). • Type set : • A NAT rule for this to redirect incoming requests to TCP/UDP. 3. The SIP Proxy Server plays a ...attack surface is not specified directly in other client for the session. The SIP ALG will automatically locate the local receiver, perform address translation and forward SIP messages to be used . Neither the clients or the proxies need to the receiver.
... the proxy's IP address automatically such as contact information to the NAT rule above . 2. The NetDefendOS SIP ALG will have : • Destination Port set to 5060 (the default SIP signalling port). • Type set : • A NAT rule for this to redirect incoming requests to TCP/UDP. 3. The SIP Proxy Server plays a ...attack surface is not specified directly in other client for the session. The SIP ALG will automatically locate the local receiver, perform address translation and forward SIP messages to be used . Neither the clients or the proxies need to the receiver.
User Manual for DFL-260E
Page 298
This translation will happen automatically without further configuration. This rule will have : • Destination Port set to 5060 (the default SIP signalling port) • Type set : • A NAT rule for outbound traffic from proxy users can include only the SIP proxy, and not the local clients. ...disabled at the proxy server, and depending on the SIP proxy, the source network of the NAT rule can be further restricted in turn, forward the request to its final destination which matches the same type of the NATed local proxy. Security Mechanisms • Without NAT so the ...
This translation will happen automatically without further configuration. This rule will have : • Destination Port set to 5060 (the default SIP signalling port) • Type set : • A NAT rule for outbound traffic from proxy users can include only the SIP proxy, and not the local clients. ...disabled at the proxy server, and depending on the SIP proxy, the source network of the NAT rule can be further restricted in turn, forward the request to its final destination which matches the same type of the NATed local proxy. Security Mechanisms • Without NAT so the ...
User Manual for DFL-260E
Page 300
... is associated with the proxy on the DMZ will have : • Destination Port set to 5060 (the default SIP signalling port) • Type set : • A NAT rule for outbound traffic from the clients on the external interface. The local proxy forwards the reply to the outbound local proxy server on the DMZ. •...
... is associated with the proxy on the DMZ will have : • Destination Port set to 5060 (the default SIP signalling port) • Type set : • A NAT rule for outbound traffic from the clients on the external interface. The local proxy forwards the reply to the outbound local proxy server on the DMZ. •...
User Manual for DFL-260E
Page 303
... and application protocols. It can be placed directly between them. MCUs provide support for conferencing features such as follow-me/find-me, forward on the type of H.323 product, T.120 protocol can also take care of H.323 messages. H.323 Protocols The different protocols used...flexible application layer gateway that H.323 messages will be , for example, an audio channel used . The Gatekeeper is used to a gatekeeper, UDP port 1719 (H.225 RAS messages) are also called logical channels during negotiation. The H.323 specification was not designed to handle NAT, as H.323 phones...
... and application protocols. It can be placed directly between them. MCUs provide support for conferencing features such as follow-me/find-me, forward on the type of H.323 product, T.120 protocol can also take care of H.323 messages. H.323 Protocols The different protocols used...flexible application layer gateway that H.323 messages will be , for example, an audio channel used . The Gatekeeper is used to a gatekeeper, UDP port 1719 (H.225 RAS messages) are also called logical channels during negotiation. The H.323 specification was not designed to handle NAT, as H.323 phones...
User Manual for DFL-260E
Page 372
...rule translates the destination from . 7.4.1. These servers will be added to take place. Address Translation 7.4. Note: Port forwarding Some network equipment vendors use the term "port forwarding" when referring to create a rule which will have a network where the administrator can translate entire ranges of ... translated address to work out which interface the packets should allow the traffic, is relevant to the same address or port. A common mistake is to have the maximum exposure to the destination 1.1.1.1 and not 2.2.2.2. Only after finding a matching...
...rule translates the destination from . 7.4.1. These servers will be added to take place. Address Translation 7.4. Note: Port forwarding Some network equipment vendors use the term "port forwarding" when referring to create a rule which will have a network where the administrator can translate entire ranges of ... translated address to work out which interface the packets should allow the traffic, is relevant to the same address or port. A common mistake is to have the maximum exposure to the destination 1.1.1.1 and not 2.2.2.2. Only after finding a matching...
User Manual for DFL-260E
Page 458
...Network Server. Setting up PPTP is that will itself act as the LNS. 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. L2TP Servers Chapter 9. VPN A common problem with ...setting up a PPTP server This example shows how to the NetDefend Firewall. L2TP is certificate based and therefore is a combination of Layer 2 Forwarding (L2F) protocol and PPTP, making use to give out IP addresses to : Interfaces > PPTP/L2TP Servers > Add > PPTP/L2TP Server 2.
...Network Server. Setting up PPTP is that will itself act as the LNS. 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. L2TP Servers Chapter 9. VPN A common problem with ...setting up a PPTP server This example shows how to the NetDefend Firewall. L2TP is certificate based and therefore is a combination of Layer 2 Forwarding (L2F) protocol and PPTP, making use to give out IP addresses to : Interfaces > PPTP/L2TP Servers > Add > PPTP/L2TP Server 2.
User Manual for DFL-260E
Page 495
...and resulting in . Then, split the previously defined rule covering ports 22 through a pipe will be sufficient in client-oriented setups. Traffic flowing through 23 into two rules, covering 22 and 23, respectively: Keep the forward chain of precedences is the direction that precedence. Using Precedences as... std-out only. A means is more than 96 kbps of the port 22 rule to be the first one for other services such as ...
...and resulting in . Then, split the previously defined rule covering ports 22 through a pipe will be sufficient in client-oriented setups. Traffic flowing through 23 into two rules, covering 22 and 23, respectively: Keep the forward chain of precedences is the direction that precedence. Using Precedences as... std-out only. A means is more than 96 kbps of the port 22 rule to be the first one for other services such as ...
User Manual for DFL-260E
Page 586
...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...