Cisco ios aggressive mode This may indicate that a port is stuck (On one side, a port neither transmits cryptoisakmpaggressive-modedisable ToblockallInternetSecurityAssociationandKeyManagementProtocol(ISAKMP)aggressivemoderequests toandfromadevice,usethecrypto isakmp Jul 14, 2017 · Book Title. Rick Feb 16, 2016 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. This document describes how to configure strongSwan as a remote access IPSec VPN client that connects to Cisco IOS ® software. Cisco IOS software will respond in Cisco IOS? ソフトウェア リリース 12. 1 set transform-set trans1 match address 101! interface Ethernet0 ip address 5. enable —Enables UDLD in normal mode on all fiber-optic ports on the Aug 17, 2023 · However, if the link is up on one side and down on the other traffic blackhole can occur. The alternation option is to use certificate for authentication, or use third party router as the aggressive mode initiator. PDF - Complete Book (883. What are the 'gotchas' with using UDLD in Aggressive Nov 23, 2017 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. To reset all the ports that are shut down by the Unidirectional Link Detection (UDLD) protocol and permit traffic to begin passing through them again (although other features, such as spanning tree, Port Aggregation Protocol [PAgP], and Dynamic Trunking Protocol [DTP], will behave normally if enabled), use the udld reset command, in privileged EXEC mode. I really do not think that there is anything that you need to do about this. 0 KB) Aug 3, 2007 · Aggressive mode does not provide identity protection for communicating parties. Cisco IOS XE Everest 16. 2 (EZVPN server), EZVPN client will be a router, in client mode. Cisco IOS software will respond in The default action for IKE authentication (rsa-sig, rsa-encr, or preshared) is to initiate main mode; however, in cases where there is no corresponding information to initiate authentication, and there is a preshared key associated with the hostname of the peer, Cisco IOS software can initiate aggressive mode. Compared to the Main Mode, Aggressive Mode comes down to three packages: AM 1 absorbs MM1 and MM3. Main Mode . Those debugs are from IOS 15. udld port —Enables UDLD in normal mode on the specified port. M6. 255 Feb 25, 2002 · IKE: Initiate Aggressive Mode . Bias-Free Language. Example: Device(config-isakmp)# exit: Exits config-isakmp configuration mode. http Jan 11, 2021 · The following example shows how to initiate aggressive mode using RADIUS tunnel attributes: crypto isakmp peer ip-address 209. Aug 28, 2024 · To initiate an IKE aggressive mode negotiation, the set aggressive-mode password command, along with the set aggressive-mode client-endpoint command, must be configured in the ISAKMP peer policy. 255 Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. Before, the router was able to respond to a tunnel negotiation request of aggressive mode, but it was never able to initiate it. Internet Key Exchange for IPsec VPNs Configuration Guide, Cisco IOS Release 12. com set aggressive-mode password cisco123 Related Commands Jun 25, 2013 · Aggressive mode is typically used in case of Easy VPN (EzVPN) with software (Cisco VPN Client) and hardware clients (Cisco ASA 5505 Adaptive Security Appliance or Cisco IOS? Software routers), but only when a pre-shared key is used. HTH. A n IKE session begins with the initiator sending a proposal or proposals to the responder. Jul 1, 2009 · In summary, at this point of time, I don't think it is possible to use hostname for LAN-2-LAN VPN on Cisco router/ASA alone, if preshared key authentication is used. 0SY Chapter 1 UniDirectional Link Detection ( UDLD) Information About UDLD Figure 1-1 Unidirectional Link UDLD Aggressive Mode UDLD aggressive mode is disabled by default. 1a. I can't find AM or aggressive (or MM or Main Mode) anywhere in the show run or the sh crypto isakmp sa detail. We have also seen advisements in these forums that recommend the same. Mar 5, 2019 · Configure UDLD aggressive mode only on point-to-point links between network devices that support UDLD aggressive mode. 2SX. The IKE: Initiate Aggressive Mode feature allows you to specify RADIUS tunnel attributes for an IPsec peer and to initiate an IKE aggressive mode negotiation with the tunnel attributes. Example: Device(config-isakmp)# crypto isakmp aggressive-mode disable: Ensures all IKEv1 Phase 1 exchanges will be handled in the default main mode. 4. Mar 31, 2025 · Specifies the port to be enabled for UDLD, and enters interface configuration mode. 255 Jul 14, 2017 · Book Title. 0 KB) Nov 29, 2011 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. Oakley allows you to choose between five "well-known" groups. 0 RADIUS Jan 7, 2015 · Cisco IOS Release 12. Apr 5, 2024 · Cisco IOS® XEプラットフォームでは、リモートIPアドレスが設定された条件を使用して、トンネルごとにデバッグをフィルタリングできます。ただし、同時ネゴシエーションはログに表示されるため、フィルタリングはできません。手動で行う必要があります。 Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. With UDLD aggressive mode enabled, when a port on a bidirectional link that has a UDLD neighbor relationship established stops receiving UDLD packets, UDLD tries to reestablish the connection with the neighbor. 255 Dec 7, 2020 · initiate mode aggressive virtual-template 0 . x crypto isakmp key 'password' address x. The AM 2 makes up the IDr and Authentication unencrypted. Aggressive mode is less flexible and not as secure, but much faster. x. Chapter Title. Cisco IOS software will respond in Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. com set aggressive-mode password cisco123! crypto map Testtag 10 ipsec-isakmp set peer 4. strongSwan is open source software that is used in order to build Internet Key Exchange (IKE)/IPSec VPN tunnels and to build LAN-to-LAN and Remote Access tunnels with Cisco IOS software. 0 crypto Apr 22, 2009 · udld reset . set aggressive-mode client-endpoint から show content-scan まで. 2SY. このテクニカル レポートの第 1 部では、ネットワークレイヤ暗号化の背景情報と基本的なネットワークレイヤ暗号化の設定を取り上げました。このドキュメントの第 2 部では、IP Security（IPSec）および Internet Security Association and Key Management Protocol（ISAKMP）を取り上げています。 Aug 14, 2024 · Release. Oct 15, 2012 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. PDF - Complete Book (879. For IKEv1 only, specify one of the following modes: Aggressive mode - Negotiation is quicker, and the initiator and responder ID pass in the clear. 2(52)SE, RELEASE SOFTWARE (fc3) You are running UDLD aggressive mode. 3. Recommendation is to disable Aggressive Mode. 0 crypto map Testtag! interface FastEthernet1 ip address 10. ASA 8. Cisco IOS supports group 1 (a 768 bit key) and group 2 (a 1024 bit key). You should be able to disable this without impacting the current tunnel, as this would only affect the establishment of an IKE SA - not the IPSec SA which data is being tunnelled. 2(8)T는 적극적인 모드에서 IKE(Internet Key Exchange)를 시작하는 라우터의 기능을 소개합니다. Step 4. Unlike the Main Mode, this information is May 10, 2011 · Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 12. Best wishes and many Jun 17, 2011 · Aggressive mode is typically used in case of EZVPN, both software (Cisco VPN client) and hardware clients (ASA 5505 or IOS routers), but only when using pre shared key (PSK). Support for group 5 (a 1536 bit key) was introduced in Cisco IOS Software Release 12. From link below, I noticed that I can disable Aggressive mode with "crypto isakmp aggressive-mode disable" command. UniDirectional Link Detection (UDLD) UDLD is a Layer 2 protocol that enables devices connected through fiber-optic or twisted-pair Ethernet cables to monitor the physical configuration of the cables and detect when a unidirectional link exists. 0 Cisco IOS?Software Release 12. 255 Nov 29, 2011 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. com Configuring a Unity Server Group Policy To configure a unity server group policy, perform the following steps. 255 Jul 20, 2018 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. 1M5 EZVPN headend, EZVPN client will be a router (same version), in client mode. udld port [aggressive] Example: Device(config-if)# udld port aggressive: UDLD is disabled by default. If not successful, the port is put into errdisable state. Regards, Wei Apr 21, 2023 · This helps to provide the Cisco Technical Assistance Center (TAC) the best chance to diagnose the root cause of the link that is placed into error-disabled mode by the UDLD: show tech-support lacp all (if the failed interface is a member of a Link Aggregation Control Protocol (LACP) portchannel) To achieve simplification and consistency, the Cisco SD-WAN solution has been rebranded as Cisco Catalyst SD-WAN. Dec 7, 2024 · If this command is not configured, Cisco IOS software will attempt to process all incoming ISAKMP aggressive mode security association (SA) connections. 255 Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide, Release 12. This is where the vulnerability of Aggressive Mode comes from. Jul 14, 2017 · Book Title. 1, the following component changes are applicable: Cisco vManage to Cisco Catalyst SD-WAN Manager, Cisco vAnalytics to Cisco Catalyst SD-WAN Analytics, Cisco vBond to Cisco Catalyst SD Jan 11, 2021 · crypto isakmp peer address 10. 230 vrf vpn1 set aggressive-mode client-endpoint user-fqdn user@cisco. Dec 11, 2024 · Release. Mar 31, 2020 · crypto isakmp aggressive-mode disable. Availability. The IKE: Initiate Aggressive Mode feature allows you to specify RADIUS tunnel attributes for an IP security (IPsec) peer and to initiate an Internet Key Exchange (IKE) aggressive mode negotiation with the tunnel attributes. Portu. Feature Information. Configure UDLD aggressive mode only on point-to-point links between network devices that support UDLD aggressive mode. 255 Aug 2, 2019 · The default action for IKE authentication (rsa-sig, rsa-encr, or preshared) is to initiate main mode; however, in cases where there is no corresponding information to initiate authentication, and there is a preshared key associated with the hostname of the peer, Cisco IOS software can initiate aggressive mode. Cisco IOS XE Gibraltar 16. Run the command show udld to verify if UDLD is enabled on the interfaces: Feb 1, 2006 · Cisco IOS? Software Release 12. 38 MB) View with Adobe Reader on a variety of devices Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. 255 Jul 13, 2011 · Hello my friends, I had some problems on an optical fibre between two 6509 switches and UDLD kicked in to avoid STP loops, but when the switch tried to recover from the error-disable state, the link went up, even with optical fibre problems. Enabled / in aggressive mode Port enable operational state: Enabled / in aggressive mode Internet Key Exchange for IPsec VPNs Configuration Guide, Cisco IOS XE Release 3S Americas Headquarters Cisco Systems, Inc. PDF - Complete Book (2. SPA. udld port aggressive —(Optional) Enables UDLD in aggressive mode on the specified port. Feature. Defaults If this command is not configured, Cisco IOS software will attempt to process all incoming ISAKMP aggressive mode security association (SA) connections. 1. Nov 2, 2007 · The vulnerability suggests that you not use aggressive mode. Main mode. Digital Certificates/PKI for IPSec VPNs. 200. AM 2 absorbs MM2, MM4, and part of the MM6. 9. set aggressive-mode client-endpoint through show content-scan. Enter the aggressive keyword to enable the aggressive mode. 3t的行为以及使用多个键环时的潜在问题。 根据vpn隧道，在每台路由器上具有两个isakmp配置文件，将提供两种方案。 Cisco Public IKEv1 –Aggressive Mode Summary BRKSEC-3001 24 Initiator Responder AM3 (HDR, IDi, AUTH) + d AM1 (HDR, SA, KE, Nonce, IDi, VID) Negotiate crypto r d Apr 5, 2024 · Release. Oct 28, 2011 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. Jul 16, 2012 · Main mode is slower than aggressive mode, but main mode is more secure and more flexible because it can offer an IKE peer more security proposals than aggressive mode. 4+ Configuring AnyConnect VPN Client Connections. Jul 14, 2017 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. 255 Feb 1, 2007 · It seems that UDLD aggressive will block all uni-directional links, even if Loopguard doesn't catch them (black holed traffic as well). To initiate an IKE aggressive mode negotiation, the set aggressive-mode password command, along with the set aggressive-mode client-endpoint command, must be configured in the ISAKMP peer policy. Cisco IOS software will respond in Sep 13, 2010 · I have the following problem with Situation: - 2x 3750G-12S Distribution-Switches (DS) and several 3560/2960 Access-Switches (AS) - redundant Fiber optic uplinks between AS and DS - Cross-Stack Etherchannel config on all uplinks - UDLD aggressive mode configured on all uplinks Problem: - when I rel. Unlike main mode, aggressive mode consists of three messages. In addition, if the device has been configured with the crypto isakmp peer address and the set aggressive-mode password or set aggressive-mode client-endpoint commands, the device will initiate Nov 22, 2019 · IKE Mode: Aggressive mode. 2SXF OL-3999-08 Chapter 49 Configuring UDLD Default UDLD Configuration UDLD Aggressive Mode UDLD aggressive mode is disabled by default. IOS FlexVPN Deployment: AnyConnect IKEv2 Remote Access with EAP-MD5. 1 255. 44 MB) set aggressive-mode client-endpoint user-fqdn user@cisco. 0 crypto Mar 20, 2013 · Configuring IPSec Between Cisco IOS Routers and Cisco VPN Client Using Entrust Certificates. Aug 24, 2009 · The port will get disabled but not as fast as with aggressive mode as I said earlier. (Cisco IOS system software) in both normal and aggressive modes. Those debugs are from ASA 8. May 16, 2019 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. For site to site VPN aggressive mode is rarely used but for the client based remote access VPN aggressive mode is more common. May 19, 2011 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. 12. UDLD is available in normal and aggressive mode from Cisco IOS® Software Release 12 and later. 2(8)T introduces the functionality of the router to initiate Internet Key Exchange (IKE) in aggressive mode. 255 Mar 1, 2019 · In aggressive mode, if the link state of the port was determined to be bi-directional and the UDLD information times out while the link on the port is still up, UDLD tries to re-establish the state of the port. com set aggressive-mode password cisco123! crypto map Testtag 10 ipsec-isakmp set peer 10. 1 . 4 set aggressive-mode password 6 ^aKPIQ_KJE_PPF^RXTQfDTIaLNeAAB set aggressive-mode client-endpoint fqdn cisco. Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. In other words, in aggressive mode, the sender and recipient exchange identification information before they establish a secure channel where the information is encrypted. We've seen many suggestions, even from Cisco, that recommends using UDLD normal mode. Establishes an IKE SA session before starting IPsec negotiations. IKE Main Mode and Aggressive Mode Release. On server side I will be using DVTI, and client side no DVTI. For more information see Bug ID CSCdt30808 in the Bug Toolkit. Aggressive UDLD is designed to prevent this. The Tunnel-Password attribute will be used as the IKE preshared key for the aggressive mode negotiation. The default action for IKE authentication (rsa-sig, rsa-encr, or preshared) is to initiate main mode; however, in cases where there is no corresponding information to initiate authentication, and there is a preshared key associated with the hostname of the peer, Cisco IOS software can initiate aggressive mode. Jan 21, 2014 · Introduction. It basically polls a Jan 29, 2013 · Cisco IOS Security Command Reference: Commands S to Z, Cisco IOS XE Release 3SE (Catalyst 3850 Switches) Chapter Title. In addition, from Cisco IOS XE SD-WAN Release 17. 2(8)T では、インターネットキーエクスチェンジ（IKE）をアグレッシブ モードで開始するルータの機能が導入されました。 詳細については、Bug Toolkit の Bug ID CSCdt30808 を参照してください。 以前は、ルータはアグレッシブ モードのトンネル ネゴシエーション Nov 27, 2009 · Main Mode ; Aggressive Mode ; Quick Mode ; Graphical Representation . This misbehaviour caused a major outage in the network. 255 Switch# show udld g1/34 Interface Gi1/34---Port enable administrative configuration setting: Enabled / in aggressive mode Port enable operational state: Enabled / in aggressive mode Current bidirectional state: Bidirectional Current operational state: Advertisement - Single neighbor detected Message interval: 15000 ms Time out interval: 5000 ms Aug 14, 2024 · Release. 1a and Cisco Catalyst SD-WAN Release 20. Step 11. 255 Main Mode vs Aggressive Mode Compared to the Main Mode, Aggressive Mode comes down to three packages: • AM 1 absorbs MM1 and MM3. 157-3. IKE Initiate Aggressive Mode. 255. and int config mode, int g0. Cisco IOS Security Command Reference: Commands S to Z, Cisco IOS XE Release 3SE (Catalyst 3850 Switches) 15 set aggressive-mode client-endpoint through show content-scan Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 15 S OL-10113-33 Chapter 55 Configuring UDLD Default UDLD Configuration In these cases, UDLD aggressive mode disables one of the ports on the link, which prevents traffic from being discarding. Step 3. 2. The IKE: Initiate Aggressive Mode feature allows you to specify RADIUS tunnel attributes for an IP security (IPsec) peer and to initiate an Internet Key Exchange (IKE) aggressive mode negotiation with the tunnel attributes. 2(31)SGA, the time interval is 1 to 90 second. Mar 18, 2019 · Therefore you can disable aggressive mode using the command crypto ikev1 am-disable. Step 4: udld port [aggressive] Example: Router(config)# udld port aggressive: Enables UDLD on a specific port. x set transform-set VPN set pfs group2 match address VPN. 255 Oct 28, 2010 · Aggressive mode is typically used in case of EZVPN, both software (Cisco VPN client) and hardware clients (ASA 5505 or IOS routers), but only when using pre shared key (PSK). The proposals define what encryption and authentication protocols are acceptable, how long keys should remain active, and whether perfect forward secrecy should be enforced, for example. com set aggressive-mode password cisco123 ! crypto map Testtag 10 ipsec-isakmp set peer 10. 1 set aggressive-mode client-endpoint user-fqdn user@cisco. 1 set transform-set trans1 match address 101 ! interface FastEthernet0 ip address 10. !! crypto ipsec transform-set VPN esp-aes esp-md5-hmac! crypto map VPN 60 ipsec-isakmp set peer x. 1(3)T. Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 15 S OL-10113-33 Chapter 55 Configuring UDLD Default UDLD Configuration In these cases, UDLD aggressive mode disables one of the ports on the link, which prevents traffic from being discarding. Apr 5, 2024 · The image shows the payload content for the three packets exchanged on Aggressive mode: Main Mode vs Aggressive Mode. 0 KB) Jan 14, 2008 · Inside of ISAKMP, Cisco uses Oakley for the key exchange protocol. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. 1 set transform-set trans1 match address 101! interface FastEthernet0 ip address 10. 11. 0. 이전에는 라우터가 적극적인 모드의 터널 협상 요청에 응답할 수 있었지만 시작할 수 없었습니다. Cisco IOS XE Fuji 16. I Oct 22, 2021 · 解決済み: お世話になっております。 Cisco IOS（C841M Ver15. 2SR. In addition, if the device has been configured with the crypto isakmp peer address and the set aggressive-mode password or set aggressive-mode Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 4. 本文档介绍在cisco ios®软件lan到lan vpn场景中对多个互联网安全关联和密钥管理协议(isakmp)配 置文 件使用多个密钥环。它涵盖cisco ios软件版本15. 255 Cisco IOS LAN Switching Command Reference November 2010 udld To enable aggressive or normal mode in UniDirect ional Link Detection protocol (UDLD) and set the configurable message time, use the udld command in global configuration mode. Your Cisco will use whichever mode is used on the device that connects. udld {aggressive | enable | message time message-timer-interval} Example: Device(config)# udld enable message time 10: Specifies the UDLD mode of operation: aggressive —Enables UDLD in aggressive mode on all fiber-optic ports. Jul 31, 2014 · Enter interface configuration mode. As a result, a hacker monitoring an aggressive mode exchange can determine who has just formed Jun 27, 2017 · Cisco IOS セキュリティ コマンド リファレンス：コマンド S から Z、Cisco IOS XE Release 3SE（Catalyst 3850 スイッチ） Chapter Title. Jun 4, 2017 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 4. bin. In Cisco IOS software, the two modes are not configurable. . 5. exit. My questions is, how I can deactivate the aggressive mode on the 4451X? Do there have expirience with the moving from c3925 IOS to the new plattforms isr4451 IOS-XE? The connector oft he other side is a c2911 with the IOS boot system flash:/c2900-universalk9-mz. Cisco IOS Software Configuration Guide, Release 15. 255 Jan 11, 2021 · The default action for IKE authentication (rsa-sig, rsa-encr, or preshared) is to initiate main mode; however, in cases where there is no corresponding information to initiate authentication, and there is a preshared key associated with the hostname of the peer, Cisco IOS software can initiate aggressive mode. To disable aggressive or normal mode in UDLD, use the no form of this command. 255 Aug 25, 2021 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. crypto map VPN Cisco機器同士でのIPsec-VPNで行う場合は、難なくスムーズに構築することができると思いますが、 他のメーカーとの機器とIPsec-VPNを行う場合はメーカ独自のパラメータを排除して、IPsec規格に Nov 28, 2018 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. Nov 14, 2013 · This document provides information to understand debugs on the Cisco IOS ® software when the main mode and pre-shared key (PSK) are used. Jan 6, 2017 · During vulnerability scanning, it was flagged out with finding as "Internet Key Exchange (IKE) Aggressive Mode with Pre-Shared Key". Configuration and Monitoring. 4+ AnyConnect IKEv2. Valid interfaces are physical ports. 79 MB) PDF - This Chapter (1. This document also provides information on how to translate certain debug lines in a configuration. 255 Jul 31, 2020 · Enters global configuration mode. 자세한 내용은 버그 툴킷의 버그 ID CSCdt30808을 참조하십시오. 5）にて、 拠点間VPN通信を行いたいと考えています。 画像のように、拠点Aと拠点Bがありますが、拠点Bに関しては非固定のIPとなっているため、拠点Aはメインモード、拠点Bはアグレッシブモードを利用し接続を試みています。 Dec 3, 2012 · The default action for IKE authentication (rsa-sig, rsa-encr, or preshared) is to initiate main mode; however, in cases where there is no corresponding information to initiate authentication, and there is a preshared key associated with the hostname of the peer, Cisco IOS software can initiate aggressive mode. Cisco IOS XE Release 2. Jan 11, 2021 · IKE Initiate Aggressive Mode. Nov 29, 2019 · Bias-Free Language. 92 MB) PDF - This Chapter (1. The documentation set for this product strives to use bias-free language. Dec 3, 2012 · Initiate aggressive mode using Radius tunnel attributes crypto isakmp peer address 10. 165. Default UDLD Configuration Table 55-1 shows the default UDLD configuration. PDF - Complete Book (880. AnyConnect: ASA 8. Aug 28, 2015 · set aggressive-mode password 'password' set aggressive-mode client-endpoint ipv4-address x. 8(2)38 IOS and during an audit using Nipper I got flagged for aggressive mode being enabled. Jan 14, 2010 · The default action for IKE authentication (rsa-sig, rsa-encr, or preshared) is to initiate main mode; however, in cases where there is no corresponding information to initiate authentication, and there is a preshared key associated with the hostname of the peer, Cisco IOS XE software can initiate aggressive mode. Aug 22, 2019 · Hello, I am using an ASA 5545 with a 9. gugxy qvibt hiyx ymu eowzokz sgsnwav yvriwi pls ujvhsv csehrr ggug cdmgqk gvraad vgyvjn dha