VPN capability

May 16, 2003, 7:31 am PST

I need to provide the VPN solution for nearly 2,000 remote users. Two main factors are remote desktop (so from home, users can use their desktop PC) and access to the protected servers. All this must be by VPN. My question is about the ability and compatibility.

1)

PIX 515 is sufficient for users of this number? What of 525? Or I have to go with the VPN concentrator? Advantages and disadvantages?

2)

Can I integrate VPN with Novell E-Directory for user management device? What about SUN1 directory? Or the RADIUS? PREFFERED solution would integrate with EDirectory.

Please send your comments or suggestions. Any help is highly appreciated.

Thank you

S.P.

The 515 both the 525 can support 2000 simultaneous tunnels. Therefore, you could do with the 515. However, I think that a VPN concentrator suitable for the task at hand. The hub is designed for exactly this kind of installation. The advantage of using the VPN concentrator, it is that he would facilitate the management of this large number of usersmuch. The downside is that you trust all users and that there is the high degree of security that provides a firewall.

Tags: Cisco Security

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    RemoteHome_splitTunnelAcl standard access list allow 10.3.3.0 255.255.255.0
    RemoteHome_splitTunnelAcl list standard access allowed 192.168.2.0 255.255.255.0
    access-list 1 permit line INSIDE_nat0_outbound extended ip host 10.2.2.2 192.168.2.64 255.255.255.192
    allowed to Access - list INSIDE_nat0_outbound line 2 extended ip 172.16.0.0 255.255.0.0 192.168.2.64 255.255.255.192
    permit for access list 3 INSIDE_nat0_outbound line scope ip 10.3.3.0 255.255.255.0 192.168.2.64 255.255.255.192
    allowed to Access - list INSIDE_nat0_outbound line 4 extended ip 192.168.2.0 255.255.255.0 192.168.2.64 255.255.255.192
    local pool VPN_REMOTE_POOL 192.168.2.90 - 192.168.2.99 255.255.255.0 IP mask
    internal RemoteHome group strategy
    Group Policy attributes RemoteHome
    Protocol-tunnel-VPN IPSec
    Split-tunnel-policy tunnelspecified
    value of Split-tunnel-network-list RemoteHome_splitTunnelAcl
    value of DNS server *.
    cunningtek.com value by default-field
    tunnel-group RemoteHome type remote access
    attributes global-tunnel-group RemoteHome
    Group Policy - by default-RemoteHome
    address VPN_REMOTE_POOL pool
    IPSec-attributes tunnel-group RemoteHome
    pre-shared key *.
    Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
    NAT (INSIDE) 0 access-list INSIDE_nat0_outbound tcp udp 0 0 0

    Firewall # Dec 09 10:10:03 [IKEv1]: IP = 83.109.134.21, IKE_DECODE RECEIPT Message (msgid = 0) with payloads: HDR (4) SA (1) + KE + NUNCIO (10) + ID (5) the SELLER (13) + the SELLER (13) + SOLD
    OR (13) of the SELLER (13) + the SELLER (13) + (0) NONE total length: 849
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, SA payload processing
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, processing ke payload
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, payload processing ISA_KE
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, nonce payload processing
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, payload processing ID
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, payload processing VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, received xauth V6 VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, payload processing VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, DPD received VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, payload processing VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, received Fragmentation VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, IKE Peer included IKE fragmentation capability flags: Main Mode: real aggressive Mode: false
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, payload processing VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, received NAT-Traversal worm 02 VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, payload processing VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: IP = 83.109.134.21, the customer has received Cisco Unity VID
    Dec 09 10:10:03 [IKEv1]: IP = 83.109.134.21, message received ISAKMP Aggressive Mode 1 with the name of Group of unknown tunnel "conor".
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, IKE SA payload processing
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, IKE SA proposal # 1, transform # 5 entry overall IKE acceptable matches # 1
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, build the payloads of ISAKMP security
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, building ke payload
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, building nonce payload
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, Generating keys for answering machine...
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, construction of payload ID
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, build payloads of hash
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, calculation of hash for ISAKMP
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, build payloads of Cisco Unity VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, constructing payload V6 VID xauth
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, constructing the payload of the NAT-Traversal VID ver 02
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, NAT-discovery payload construction
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, NAT discovery hash calculation
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, NAT-discovery payload construction
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, NAT discovery hash calculation
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, construction of Fragmentation VID + load useful functionality
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, build payloads VID
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, Send Altiga/Cisco VPN3000/Cisco ASA GW VID
    Dec 09 10:10:03 [IKEv1]: IP = 83.109.134.21, IKE_DECODE SEND Message (msgid = 0) with payloads: HDR (4) SA (1) + KE + NUNCIO (10) + ID (5) + HASH (8) the SELLER (13) + the SELLER (13) + SOLD
    OR (13) NAT - D (130) + NAT - D (130) of the SELLER (13) + the seller (13) + (0) NONE total length: 424
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, case of mistaken IKE AM Responder WSF (struct & 0xd8d3bed8) , : AM_DONE, EV_ERROR--> AM_SND_MSG2, EV_
    SND_MSG--> AM_SND_MSG2, EV_START_TMR--> AM_BLD_MSG2, EV_BLD_MSG2_TRL--> AM_BLD_MSG2, EV_SKEYID_OK--> AM_BLD_MSG2, NullEvent--> AM_BLD_MSG2, EV_GEN_SKEYID--> AM_BLD_MSG2, EV_BLD_MSG2_HDR
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, IKE SA AM:7ff48db9 ending: 0x0104c001, refcnt flags 0, tuncnt 0
    Dec 09 10:10:03 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 83.109.134.21, sending clear/delete with the message of reason
    Dec 09 10:10:03 [IKEv1]: Group = DefaultRAGroup, IP = 83.109.134.21, Removing peer to peer table does not, no match!
    Dec 09 10:10:03 [IKEv1]: Group = DefaultRAGroup, IP = 83.109.134.21, error: cannot delete PeerTblEntry

    I think this is the beginning of your question.

    Message received ISAKMP aggressive Mode 1 with the name of the unknown group tunnel "conor".

    In the vpn client, you must enter the name of the group, RemoteHome and pre shared key, NOT your username. You will be asked your username after login.

    As the name conor group does not exist, it is failing in the DefaultRAGroup

  • PIX 501 VPN

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    Hello

    I need to make users with vpn client on the LAN of the central office, going to the internet using the internet connection of the central office. I want to say wihout having split tunnel and without using a proxy internal. I would like to know if it is possible with the PIX or ASA. I think it's like say to have traffic going in and out the firewall using the same outside the interface. Thank you very much in advance for your support appreciated.

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    Angelo

    Yes, undoubtedly capable.

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    NAT (outside) 1

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