421 32 560KB
English Pages 36
Cisco VPN solutions Infosecurity 2002
Course Number Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
2
Agenda • Perche’ VPN • Architettura di riferimento • Soluzioni VPN Cisco • Security keys: eToken e SmartCards • Demo track
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
3
Perche’ VPN
• Riduzione dei costi • Miglioramento in Produttivita’ Flessibilita’ di comunicazione Network management
Fonte: Gartner Group Fall 2001 Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
4
Architetture di riferimento Branch Office LAN-LAN VPN
Remote Access VPN for Dialup and Roaming Users
Remote Access VPN for SOHO and Broadband Users T1/E1, Ethernet
Internet Analog, ISDN
out
Cable, DSL
out
Router
DMZ 1 DMZ 1 DMZ 2
in
in
Intranet Servers, File Servers…..
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
5
Soluzioni VPN Cisco • Cisco VPN basate su funzionalita’ IOS – (IPSec VPN) Router Cisco per soluzioni VPN Ipsec site-to-site
• Cisco VPN Firewall-to-Firewall PIX Firewall come terminatori di tunnel IPSec
• Cisco VPN basate su VPN concentrator e VPN client Appliance dedicata ad elevate prestazioni per soluzioni LAN-toLAN e di accesso via Client
• Soluzioni interoperabili
Presentation_ID
PIX IOS
IOS VPN conc
PIX VPN conc
Client -> PIX
Client -> VPN
Client -> IOS (Unity client)
© 2001, Cisco Systems, Inc. All rights reserved.
6
Cisco VPN 3000 Concentrator v 3.5
Course Number Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
7
Serie VPN 3000: Caratteristiche Purpose-Built
• Progettato per i servizi VPN di Enterprise • Scalabilita’ – modulare e upgradabile • Prestazioni – encryption in hardware • Flessibilita’ – VPN per remote access, LAN-LAN, extranet. • Completamente interoperabile con PIX e IOS • High availability - redundant power, redundant Encryption Processors, dual flash, VRRP, Load balancing Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
8
Serie VPN 3000: Caratteristiche Purpose-Built
• Management – Interfaccia grafica Web Based • Security – suporto dei maggiori protocolli VPN • Facilita’ di implementazione Inserimento non disruptivo in reti esistenti Router, firewall, authentication servers, etc
• Client software incluso con unlimited license e preconfigurabile per l’installazione remota
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
9
VPN basata su Serie 3000 Architettura Branch Office LAN-LAN VPN
Remote Access VPN w/ Cisco VPN Client T1/E1, Ethernet
SOHO and Broadband Users W/ Cisco VPN Client
Internet Analog, ISDN
out
Cable, DSL
out
Router
DMZ 1 DMZ 1 DMZ 2
in
in
Intranet Servers, File Servers…..
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
10
VPN 3000 Concentrator v 3.5 Modulare ed espandibile
3005
3015
3030
3060
3080
Tunnels
100
100
1,500
5,000
10,000
Encryption
S/W
S/W
H/W
H/W
H/W
Performance
4 Mbps
4 Mbps
50 Mbps
100 Mbps
100 Mbps
Memory
32 MB
64 MB
128 MB
256 MB
256 MB
SEPs Installed
N/A
0
1
2
4
Redundant PS
No
Option
Option
Option
Included
Redundant SEPs
N/A
N/A
Option
Option
Included
Upgradeable
No
Yes
Yes
No
No
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
11
Caratteristiche della piattaforma Modello 3005
?Configurazione Fissa ?Encryption in software ?Ottimale per: ?Branch Office ?Medium Business
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
12
Caratteristiche della piattaforma Modelli 3015, 3030, 3060, 3080
?Modulare ?Espandabile ?Ridondabile ?Hardware Encryption
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
13
Security Caratteristiche • Algoritmi di encryption 56 bit DES 168 bit Triple-DES Microsoft Encryption (MPPE) - 40/128 bit RC4
• IPSec: algoritmi di autenticazione HMAC (Hashed Message Authentication Coding) w/ MD5 HMAC with SHA-1
• Gestione delle Chiavi IKE con Diffie-Hellman Certificati Digitali, Smartcards e Token Cards Supporto SCEP per CA enrolment Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
14
Security Caratteristiche • Supporto di Certificati Digitali Entrust, Baltimore, CyberTrust, Verisign, RSA Keon, Microsoft Win2K, PGP • Supporto Token e Smartcards Testato con: Gemplus, Activcard (Schlumberger cards), eAladdin
• Packet Filtering, Security e Personal Firewall Profili definiti per User o Group Filtri per source/destination address, port, e protocol Controllo centralizzato della applicazione delle politiche di Sicurezza e di Personal Firewall sul VPN Client • Authenticazione Database interno, RADIUS, SDI (new card and next PIN code) NT Domain, MS-CHAP v1 & v2 Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
15
High Availability Caratteristiche ?
200,000+ hrs. MTBF
?
Alimentazioni e Fans ridondati, Dual Image Flash Memory
?
Hot swap, Service Encryption Processors (SEP) ridondati
?
Remote Access – Backup server per VPN Client v3.5 per Microsoft, Linux, Sun Solaris, MacOS – Backup server list per hardware client VPN 3002 v3.5
? LAN to LAN – Virtual Router Redundancy Protocol (VRRP) e Load Balancing • Automatic Recovery • Stesso IP Addresses, MAC Addresses
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
16
Redundancy Caratteristiche ? Remote Access – Con client software per Microsoft, Linux, Sun Solaris, MacOS
? LAN to LAN – Virtual Router Redundancy Protocol (VRRP) e Load Balancing • Automatic Recovery • Stesso IP Addresses, MAC Addresses
Peer = A Branch Office
Internet
T1/T3
A IP Address List: A, B, C Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
C
B
IP Address List: B, A, C 17
Management Caratteristiche
? Gestione Web based e XML • Telnet/SSL ( a caratteri ) • HTTP/HTTPS ( VPN device manager integrato )
? Multi-Level Control • Role-based management
? FTP/TFTP support
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
18
Console/Telnet Interface Menu-Driven a caratteri
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
19
VPN Device Manager (VDM) HTML Based
NETWORK COMPUTING “..has a great overall management architecture with configuration options laid out in a logical tree structure, a hierarchical profile managment and excellent troubleshooting tools.” Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
20
Cisco VPN Client v 3.5
Course Number Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
21
VPN 3000 Client 3.5 Caratteristiche • Ampio supporto di sistemi operativi Windows 95 OSR2+/98/ME/NT4/W2K/XP Linux Intel (Command Line Only) Solaris ULTRASparc-32bit (Command Line Only) MAC OS X 10.1 (Command Line Only)
• Cisco VPN 3000 Client Software IPSec compliant Unlimited license per tutti i modelli Easy Deployment Installation wizard Backup server support Politiche controllate dal VPN concentrator Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
22
VPN 3000 Client 3.5 Personal Firewall e Smartcards
• Integrated Personal Firewall (Stateful) Zone Labs Technology – Zone Alarm Due modi: Always On default policy (configurabile dall’utente) Central Protection Policy – CPP (policy controllate e gestite centralmente)
• Supporto Smartcards Gemplus, Activcard (Schlumberger cards), Aladdin
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
23
VPN 3000 Client 3.5 Authentication e supporto NAT
• NT Password Expiration con MSCHAPv2 Richiede all’utente il cambio password quando la password scade. Il concentratore VPN utilizza la v3.5 & RADIUS MSCHAPv2 authentication con il server (ad es Cisco Secure ACS v3.0, MS IAS)
• IPsec/UDP e IPSec/TCP Consentono la realizzazione di tunnel IPSec in ambienti con NAT intermedi– tipicamente Extranet.
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
24
VPN 3000 Client 3.5 Istallazione e Gestione
• Single-Click Installation File .INI preconfigurato
• Gestione centralizzata della Configurazione & delle Politiche di Sicurezza Autoinstallante senza interventi utente Configurazione e politiche vengono ‘spinte’ dal concentrator
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
25
VPN 3000 Client Caratteristiche avanzate • Split Tunneling ( opzionale ) IPSec tunnels per traffico Enterprise-specific (i.e.- email, file servers, etc.) Traffico Clear-text per accesso a Internet ‘tradizionale’ (i.e.- web surfing, newsgroups, etc.) Stockmaster.com
Central Site
Router
Cisco VPN 3000 Client Cisco VPN 3000 Concentrator
Router
Remote User Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
26
Cisco VPN 3002 Hardware Client Series
Course Number Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
27
Cisco VPN 3002 Hardware Client Definizione 3002 Hardware Client: • Il Cisco VPN 3002 Hardware Client puo’ essere utilizzato al posto del software client – e’ come il client sw ma in hardware! • Il 3002 ha due funzione primarie: Viene diffuso con la stessa semplicita’ del client Scalabile (>50,000 units) • Il 3002 e’ in due versioni hardware: Ethernet Ethernet w/ 8 port 10/100 Mbps AUTO-MDIX switch
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
28
Cisco VPN 3002 Hardware Client Caratteristiche fisiche
Front
Basic 3002 w/o Switch 3002 unit con 8 Port 10/100 Switch • Power supply esterno • Console RS-232 con connettore RJ-45 • Porte Ethernet 10/100 Mbps • Switch con Auto-MDIX eliminando i cavi x-over • Reset switch per riportare l’unita’ alla configurazione di default • 6x8x2” size con flat top e wall mount key holes • Silent, convection cooled operation • FCC Class B Certification, CISPR, CUL, others Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
29
Cisco VPN 3002 Hardware Client Caratteristiche • Simple Deployment 3002 include un DHCP Client/Server, fino a 253 stationi The 3002 include 2 modalita’ operative: -Client Mode - “drop in” deployment, invisibile, per reti non-ruotabili - Network Extension Mode – per reti routabili Configurazione via Web o Porta Console Throughput fino a 1.5Mbps in 3DES Operativita’ “Unity Client”, puo’ connettersi a VPN 3000, PIX, IOS
• Security 3002 consente solo apertura di sessioni in uscita Supports pre-shared secret e cert digitali Politiche gestite e imposte dal VPN Concentrator Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
30
Cisco VPN 3002 Hardware Client DHCP e NAPT Firewall Remote Office/Satellite Office
Central Site
One Address for entire network behind 3002
178.168.0.52 Concentrator Assigned to Client (thinks it is on 3030 network locally)
172.168.0..x Int. Pvt Net
Public
Private
Cisco VPN 3030 Concentrator As DHCP Client, 3002 acquires address (eq) 24.128.46.83 from cable modem, ISP, etc.
Yahoo site
Cisco VPN 3002 Hardware Client
As DHCP Server, 3002 maintains pool of addresses to assign to the stations on the private network (eq) this station is served an address of 192.168.5.1 with a subnet mask of 255.255.255.0 NAT/PAT Outbound hides stations
• In Client mode, le stazioni dietro il 3002 sono invisibili al mondo esterno indipendentemente dall’uso dello split tunnel • In Network Extension mode, le stazioni dietro il 3002 sono visibili solo dal Central SIte • Viene sempre usato PAT per connettersi a Internet via split tunneling • Sono ammesse solo connessioni ‘outbound’ Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
31
Security keys: eToken e SmartCards
Course Number Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
32
Aladdin Caratteristiche • Inserire una sola slide di riferimento al Partner Aladdin che terra’ poi la sua sessione
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
33
Demo track
Course Number Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
34
Demo track • Inserire lo schema e la track della Demo
Presentation_ID
© 2001, Cisco Systems, Inc. All rights reserved.
35
Presentation_ID
© 1999, Cisco Systems, Inc.
36