IP Configuration: Configure IP Address and Network Settings
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Companies with advanced network configurations can configure multiple IP addresses on the appliance’s ethernet ports. Using multiple ports can enhance security or enable connections over non-standard networks. For example, if employees are restricted from accessing the internet but need to provide off-network support, using one port for your internal private network and another for the public internet allows users worldwide to access systems without breaching your network security policies.
NIC teaming combines your system's physical network interface controllers (NICs) into a single logical interface. NIC teaming operates in 'Active-Backup' mode. One of the NICs is used to carry all network traffic. If the link on that NIC is lost for any reason, the other NIC becomes active. Before activating NIC teaming, please ensure that both NICs are connected to the same network segment (subnet) and that you have IP addresses configured on only one of the existing NICs.
If you are using a virtual or cloud appliance environment, the Enable NIC Teaming option is not available.
Although multiple IP addresses can be assigned to each NIC, do not configure either NIC such that it has an IP address that is in the same subnet as an IP address on the other NIC. In this scenario, packet loss occurs with packets originating from the IP on the NIC that does not have the default gateway. Consider the following example configuration:
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- eth0 is configured with the default gateway of 192.168.1.1
- eth0 is assigned with 192.168.1.5
- eth1 is assigned with 192.168.1.10
- Both eth0 and eth1 are connected to the same subnet switch
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ArcGIS Server is a data-intensive server product, and many of its data formats consist of hundreds of thousands of files. In heavily used systems, thousands or tens of thousands of files may be in use at any given time. If there are insufficient file handles and processes, requests may start failing randomly, leading to system downtime.
Navigate to the Control Panel through the start menu. Under 'Appearance and Personalization', click 'Adjust screen resolution' 3. Click on 'Advanced settings' on the right hand side of the screen. Go to the graphics control panel tab (this will vary depending on what type of display adapter you're using) 5. There are two remote app servers that are served by this rdg server and only one seems to be effected (i.e. No user ever reported issues when connecting to an app on the same server where the rdg is installed) Another strange thing is that I cannot easily replicated the issue. It will work 9 times out of 10. Does anyone has any idea?
Given this configuration, traffic from both NICs are sent to the default gateway (192.168.1.1) regardless of which NIC received traffic. Switches configured with dynamic ARP send packets randomly to either eth0 (192.168.1.5) or eth1 (192.168.1.10), not both. When eth0 receives these packets from the switch destined for eth1, eth0 drops the packets. Some switches are configured with static ARP. These switches drop all packets received from eth1 since this NIC does not have the default gateway and is not present in the static ARP table of the gateway. If you wish to configure redundant NICs on the same subnet, us e NIC teaming.
By default, Dynamic Host Configuration Protocol (DHCP) is enabled for your appliance. DHCP is a network protocol that uses a DHCP server to control the distribution of network parameters, such as IP addresses, allowing systems to automatically request these parameters. This reduces the need to manually configure settings. In this case, when checked, an IP address is obtained from the DHCP server and is removed from the pool of available IP addresses.
To learn more about DHCP, please see Dynamic Host Configuration Protocol (DHCP).
Click Show Details to view and verify transmission and reception statistics for each ethernet port on the appliance.
Under the Global Network Configuration section, configure the hostname for your Secure Remote Access Appliance.
The hostname field does not need to meet any technical requirements. It does not affect what hostname client software or remote users connect to. (To make these changes, see /login > Status > Information > Client Software Is Built to Attempt. If the hostname attempted by the client software needs to change, notify BeyondTrust Technical Support of the needed changes so that Support can build a software update.) The hostname field exists primarily to help you distinguish between multiple Secure Remote Access Appliances. It is also used as the local server identifier when making SMTP connections to send email alerts. This is useful if the SMTP Relay Server specified at /appliance > Security > Email Configuration is locked down. In this case, the configured hostname might have to match the reverse-DNS lookup of the appliance's IP address.
Assign a default gateway, selecting which ethernet port to use. Enter an IP address for one or more DNS servers. If DHCP is enabled, the DHCP lease provides you with a default gateway as well as a listing of DNS servers in order of preference. Any statically configured DNS servers listed in the Custom DNS Servers field are attempted to be reached first, followed by DNS servers received from DHCP. In the event that these local DNS servers are unavailable, the Fallback to OpenDNS Servers option enables the Secure Remote Access Appliance to use publicly available DNS servers from OpenDNS. For more information about OpenDNS, visit www.opendns.com.
Allow your appliance to respond to pings if you wish to be able to test if the host is functioning. Set the hostname or IP address for a Network Time Protocol (NTP) server with which you wish your Secure Remote Access Appliance to synchronize.
Two settings are available in the Port Number Settings area: Server Listen Ports and Default URL Ports. When configuring these, keep in mind that connections made to valid ports may be rejected by network restrictions set in /appliance > Security > Appliance Administration and in /login > Management > Security. The opposite is also true: connections made to invalid ports are rejected even if such connections satisfy network restrictions.
The Server Listen Ports section allows you to configure ports for the appliance to listen on. You may specify up to 15 comma-separated ports for HTTP and 15 comma-separated ports for HTTPS. Each port may appear only once in any field, and it may appear in only one field, not both. The appliance responds to HTTP connections made to any of the ports listed in the HTTP field, and the appliance responds to HTTPS connections made to any of the ports in the HTTPS field. You cannot change the built-in listen ports (80 and 443).
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To access the appliance on a given port using a browser requires that you enter the port in the URL of the browser (e.g., support.example.com:8200). Clients downloaded from the appliance attempt connections to the ports listed on the /login > Status > Information page under Client Software Is Built to Attempt. These ports are not configurable from /login or /appliance. To change them, you must contact BeyondTrust Support and have a new update built for your appliance. Once installed, the update sets the Attempt ports as specified by BeyondTrust Support in the parameters of the update.
Default URL Ports are used when generating URLs that point back to the appliance, such as session keys generated from the representative console. When the default ports are blocked on the network (or can be expected to fail for any other reason), you can change the default URL ports to have generated URLs spawn with the ports that you specify. Whatever ports you enter should also be listed in the Server Listen Ports; otherwise, the default ports are not connected. For example, if you enter 8080 in the Default URL Port field, make sure 8080 is also in the HTTP or HTTPS Listen Port field. Unlike the listen port fields, you cannot enter more than one port in either of the URL port fields. You cannot enter the same port in both fields.
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When adding or editing an IP address, choose whether that IP should be enabled or disabled. Select the network port on which you would like this IP to function. The IP Address field sets an address to which your appliance can respond, while Subnet Mask enables BeyondTrust to communicate with other devices.
When editing an IP address that is on the same subnet as another IP address for this appliance, choose if this IP address should be Primary. When this box is checked, the appliance designates this IP address to be the primary or originating IP address for the subnet. This helps, for example, to ensure that any network traffic originating from the appliance on that subnet matches and complies with defined firewall rules.
From Access Type, you can restrict access over this IP to the public site or customer client. Use Allow Both to allow access for both the public site and customer client. Launchbar 6 9 1 – powerful fileurlemail launcher utility.
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To restrict access to the /login interface, set network restrictions under /login > Management > Security. To restrict access to the /appliance interface, set network restrictions under /appliance > Security > Appliance Administration.
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When viewing the management IP address1Do not delete or modify the management IP address., the Telnet Server dropdown provides three settings: Full, Simplified and Disabled, as detailed below. These settings change the menu options of the telnet server that is available only on this private IP and that can be used in emergency recovery situations. Since the telnet feature is specifically tied to the built-in private IP, it does not appear under any other configured IP addresses.
Setting | Function |
---|---|
Full | Enables the telnet server with full functionality |
Simplified | Allows four options: View FIPS Error, Reset to Factory Defaults, Shutdown, and Reboot |
Disabled | Completely disables the telnet server |