An attacker could exploit these vulnerabilities by including crafted arguments to specific CLI . services, enter ipsec, set You are prompted to enter a number corresponding to your continent, country, and time zone region. Cisco FXOS Troubleshooting Guide for the Firepower 1000/2100 and Secure Firewall 3100 with Firepower Threat Defense Chapter Title FXOS CLI Troubleshooting Commands PDF - Complete Book (2.02 MB)PDF - This Chapter (1.08 MB) View with Adobe Reader on a variety of devices ePub - Complete Book scope 0-4. The following example regenerates the default key ring: The HTTPS service is enabled on port 443 by default. terminal monitor output to a specified text file using the selected transport protocol. System clock modifications take password-profile, set ip-block set object. You can connect to the ASA CLI from FXOS, and vice versa. show command, If you are doing remote management (Firepower Management Center) then you set the other interface addresses via that tool. a device can generate its own key pair and its own self-signed certificate. scope by piping the output to filtering commands. prefix_length For a certificate authority that uses intermediate certificates, the root and intermediate certificates must be combined. | character. For example, the medium strength specification string FXOS uses as the default is: ALL:!ADH:!EXPORT56:!LOW:RC4+RSA:+HIGH:+MEDIUM:+EXP:+eNULL, set https access-protocols framework and a common language used for the monitoring and management of The following example configures an IPv4 management interface and gateway: The following example configures an IPv6 management interface and gateway: You can set the SSL/TLS versions for HTTPS acccess. remote_identity_name. The chassis supports the HMAC-SHA-96 (SHA) authentication protocol for SNMPv3 users. To make sure that you are running a compatible version The key is used to tell both the client and server which mode Set one or more of the following protocols, separated by spaces or commas: set ssh-server kex-algorithm port-channel (Optional) Set the IKE-SA lifetime in minutes: set The maximum MTU is 9184. of your device. To return to the ASA CLI, enter exit or type Ctrl-Shift-6, x. ipv6-block Operating System, show Specify the message that FXOS displays to the user before they log into the chassis manager or the FXOS You must delete the user account and create a new one. set New/Modified commands: set change-during-interval , set expiration-grace-period , set expiration-warning-period , set history-count , set no-change-interval , set password , set password-expiration , set password-reuse-interval, The set lacp-mode command was changed to set port-channel-mode. Paste in the certificate chain. Guide. cc-mode. We added the following IKE and ESP ciphers and algorithms (not configurable): Ciphersaes192. The following example sets many user requirements: You can upgrade the ASA package, reload, or power off the chassis. By default, ipv6-prefix The default is no limit (none). After you configure a user account with an expiration date, you cannot Show commands do not show the secrets (password fields), so if you want to paste a At the prompt, paste the certificate text that you received from the trust anchor or certificate authority. ipv6 the admin user role, and commits the transaction: You can configure global settings for all users. Must not be identical to the username or the reverse of the username. | workspace:}. Only SHA1 is supported for NTP server authentication. min_num_hours Set the minimum number of hours that a locally-authenticated user must wait before changing a newly created password, between You can also enable and disable the DHCP server in the chassis manager at Platform Settings > DHCP. clock. remote-address Notifications can indicate improper user authentication, restarts, the closing of SNMPv3 provides secure access to devices by a combination of authenticating and encrypting frames over the network. need a third party serial-to-USB cable to make the connection. manager and FXOS CLI access. SNMP provides a standardized ipv6_address The media type can be either RJ-45 or SFP; SFPs of different phone-num. fabric Enter Password: ****** ipv6-config. The exception is for ASDM, which you can upgrade from within the ASA operating system, so you do not need to only use the Delete and add new access lists for HTTPS, SSH, and SNMP to allow management connections from the new network. To provide stronger authentication for FXOS, you can obtain and install a third-party certificate from a trusted source, or trusted point, that affirms the identity You can set basic operations for FXOS including the time and administrative access. Specify the email address associated with the certificate request. This section describes the CLI and how to manage your FXOS configuration. (USM) refers to SNMP message-level security and offers the following services: Message integrityEnsures that messages have not been altered or destroyed in an unauthorized manner and that data sequences (Optional) Set the number of retransmission sequences to perform during initial connect: set Copy the text of the certificate request, including the BEGIN and END lines, and save it in a file. In the show package output, copy the Package-Vers value for the security-pack version number. for user account names (see Guidelines for User Accounts). bundled ASDM image. SNMPv1, SNMPv2c, and SNMPv3 each represent a different security model. and specify a syslog server by the unqualified name of jupiter, then the Firepower 2100 qualifies the name to jupiter.example.com., set domain-name ASDM images that you upload manually do not appear in the FXOS image list; you must manage ASDM images from the ASA. CreatingaKeyRing 73 RegeneratingtheDefaultKeyRing 73 CreatingaCertificateRequestforaKeyRing 74 CreatingaCertificateRequestforaKeyRingwithBasicOptions 74 . install security-pack version trustpoint keyring-passwd ip A subnet of 0.0.0.0 and a prefix of 0 allows unrestricted access to a service. Must include at least one lowercase alphabetic character. can show all or parts of the configuration by using the show The system displays this level and above. extended-type pattern. The following example creates the pre-login banner: The following procedure describes how to enable or disable SSH access to FXOS. If you only specify SSLv3, you may see an Strong password check is enabled by default. The chassis provides the following support for SNMP: The chassis supports read-only access to MIBs. Configure an IPv4 management IP address, and optionally the gateway. Obtain this certificate chain from your trust anchor or certificate authority. Because that certificate is self-signed, client browsers do not automatically trust it. Set the absolute session timeout for all forms of access including serial console, SSH, and HTTPS. Otherwise, the chassis will not reboot until you Provide the CSR output to the Certificate Authority in accordance with the Certificate Authority's enrollment process. The filtering options are entered after the commands initial (CA) or an intermediate CA or trust anchor that is part of a trust chain that leads to a root CA. is a persistent console connection, not like a Telnet or SSH connection. ip_address mask, no http 192.168.45.0 255.255.255.0 management, http If you use the no-prompt keyword, the chassis will reboot immediately after entering the command. keyring Newer browsers do not support SSLv3, so you should also specify other protocols. You can configure the network time protocol (NTP), set the date and time manually, or view the current system time. admin-duplex {fullduplex | halfduplex}. chassis You cannot upgrade ASA and FXOS separately from each other; they are always bundled together. default level is Critical. {active| inactive}. CLI. ip_address email-addr. A certificate is a file containing The level options are listed in order of decreasing urgency. Operating System (FXOS) operates differently from the ASA CLI. egrep Displays only those lines that match the between 0 and 10. display an authentication warning. . Only Ethernet 1/1 and Ethernet 1/2 are enabled by default in both FXOS and the ASA. individual interfaces. (Optional) Specify the last name of the user: set lastname manager. management. To use an interface, it must You can configure up to four NTP servers. We recommend a value of 2048. We added password security improvements, including the following: User passwords can be up to 127 characters. description. object command to create new objects and edit existing objects, so you can use it instead of the create specified pattern, and display that line and all subsequent lines. despite the failure. filtering subcommands: begin Finds the first line that includes the If you enable both commands, then both requirements must be met. admin-speed {10mbps | 100mbps | 1gbps | 10gbps}. show commands The SubjectName and at least one DNS SubjectAlternateName name is required. (Optional) Specify the level of Cipher Suite security used by the domain. the chassis does not receive the PDU, it can send the inform request again. Specify the URL for the file being imported using one of the following: When the new package finishes downloading (Downloaded state), boot the package. setting, set the value to 0. ip address string error: You can save the For information about supported MIBs, see the Cisco Firepower 2100 FXOS MIB Reference Guide. ip Pseudo-Random Function (PRF) (IKE only)prfsha384, prfsha512, prfsha256. fabric Press Enter between lines. certchain [certchain]. In general, a longer key is more secure than a shorter key. To configure HTTPS access to the chassis, do one of the following: (Optional) Specify the HTTPS port. keyring_name. The following example adds a certificate to a new key ring. you add it to the EtherChannel. If Similarly, to keep the existing management IP address while changing the gateway, omit the ip and netmask keywords. This name must be unique and meet the guidelines and restrictions the guidelines for a strong password (see Guidelines for User Accounts). days Set the number of days before you can reuse a password, between 1 and 365. A password is required for each locally-authenticated user account. show commands remote-subnet View the current management IPv6 address. set password-expiration {days | never} Set the expiration between 1 and 9999 days. DNS is configured by default with the following OpenDNS servers: 208.67.222.222, 208.67.220.220. enter The cipher_suite_string can contain up to 256 characters and must conform to the OpenSSL Cipher Suite specifications. You must be a user with admin privileges to add or edit a local user account. The chassis supports SNMPv1, SNMPv2c and SNMPv3. Member interfaces in EtherChannels do not appear in this list. Before generating the Certificate Signing Request, all hostnames are resolved using DNS. The following example changes the device name: The Firepower 2100 appends the domain name as a suffix to unqualified names. at each prompt. The security model combines with the selected security The old limit was 80 characters. Typically, the FXOS Management 1/1 IP address will be on the same network as the ASA Management 1/1 IP address, so this procedure This is the default setting. If any hostname fails to resolve, Must pass a password dictionary check. If you want to allow access from other networks, or to allow min_length. following the certificate, type ENDOFBUF to complete the certificate input. 1 and 745. Enable or disable sending syslog messages to an SSH session. keyring Be sure to install any necessary USB serial drivers for your ip_address, set The Firepower 2100 supports the following ciphers and algorithms: modp2048, curve25519, ecp256, ecp384, ecp521, modp3072, modp4096. configuration file already exists, which you can choose to overwrite or not. You cannot use any spaces or The a configuration command is pending and can be discarded. Established connections remain untouched. set snmp syscontact ip_address mask To return to the FXOS console, enter Ctrl+a, d. You can connect to FXOS on Management 1/1 with the default IP address, 192.168.45.45. The certificate must be in Base64 encoded X.509 (CER) format. By default, FXOS contains a built-in self-signed certificate containing the public key from the default key ring. days Set the number of days a user has to change their password after expiration, between 0 and 9999. days Set the number of days before expiration to warn the user about their password expiration at each login, between 0 and 9999. You can specify the remote address as an FQDN if you configured the DNS server (see Configure DNS Servers). You can disable HTTPS if you want to disallow chassis manager access, or customize the HTTPS configuration including specifying the key ring to be used for HTTPS sessions. local-address command prompt. cisco cisco firepower threat defense configuration guide for firepower cisco . enter snmp-trap {hostname | ip-addr | ip6-addr}. The chassis includes the agent and a collection of MIBs. Committing multiple commands all together is not a singular operation. Encryption keys can vary in The strong password check is enabled by default. For information about supported MIBs, see the Cisco Firepower 2100 FXOS MIB Reference On the ASA, there is not a separate setting for Common Criteria mode; any additional restrictions for CC or UCAPL set syslog file size num_of_hours Sets the number of hours during which the number of password changes are enforced, between 1 and 745 hours. configuration command. ip-block kb Sets the maximum amount of traffic between 100 and 4194303 KB. To return to the FXOS CLI, enter Ctrl+a, d. If you SSH to the ASA (after you configure SSH access in the ASA), connect to the FXOS CLI. The default address is 192.168.45.45. Package updates are managed by FXOS; you cannot upgrade the ASA within the ASA operating system. characters. the actual passwords. manager and the FXOS CLI. pass_change_num Sets the maximum number of times that a locally-authenticated user can change their password during the change interval, You must also change the access list for management SNMP, you must add or change the Access Lists. 5 Helpful Share Reply jimmycher The username is used as the login ID for the Secure Firewall chassis We recommend that each user have a strong password. To disable this If you configure remote management (the Please set it now. When you enter a configuration command in the CLI, the command is not applied until you save the configuration. error in your browser indicating an unsupported security protocol version. Enable or disable whether a locally-authenticated user can make password changes within a given number of hours. way to backup and restore a configuration. This kind of accuracy is required for time-sensitive operations, such as validating CRLs, which include a precise time stamp. eth-uplink, scope policy: View the status of installed interfaces on the chassis. set https keyring The minutes value can be any integer between 60-1440, inclusive. The following example enables the DHCP server: Logs are useful both in routine troubleshooting and in incident handling. The following example enables SSH access to the chassis: HTTPS and IPSec use components of the Public Key Infrastructure (PKI) to establish secure communications between two devices, keyring default, set 0.0.0.0 (the ASA data interfaces), then you will not be able to access FXOS on a https | snmp | ssh}. The Firepower 2100 has support for jumbo frames enabled by default. get to the threat defense cli using the connect command use the fxos cli for chassis level configuration and troubleshooting only for the firepower 2100 system, set the DHCP server in the chassis manager at Platform Settings > DHCP. cipher_suite_mode. interface The default ASA Management 1/1 interface IP address is 192.168.45.1. set https cipher-suite The Firepower 2100 ships with a DB-9 to RJ-45 serial cable, so you will manually enable enforcement for those old connections. long an SSH session can be idle) before FXOS disconnects the session. Removed the set change-during-interval command, and added a disabled option for the set change-interval , set no-change-interval , and set history-count commands. disabled}, set password-reuse-interval {days | disabled}. security, scope Interfaces that are already a member of an EtherChannel cannot be modified individually. Use the following procedure to generate a Certificate Signing Request (CSR) using the FXOS CLI, and install the resulting identity certificate for use with the chassis manager. The default configuration is only applied during a reimage, not an upgrade. You can set the name used for your Firepower 2100 from the FXOS CLI. volume Must not contain the following symbols: $ (dollar sign), ? For copper interfaces, this speed is only used if you disable autonegotiation. set snmp syslocation View the version number of the new package. For IPv4, enter 0.0.0.0 and a prefix of 0 to allow all networks. output to the appropriate text file, which must already exist. The system contact name can be any alphanumeric string up to 255 characters, such as an email address or name and telephone
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