eSafe Implementation Topologies
CVP Implementations
Using ESG CVP + ESM SMTP DMZ Mail Relay ESM SMTP ESG CVP HTTP FTP ESG CVP Mail Server Exchange Server Internal Network
Load balancing with ESG CVP Options 1. Using an extra CR for HTTP, FTP and SMTP 2. Using an extra CR for SMTP only 3. Using FW-1 CVP load-sharing Mail Relay DMZ ESG CVP ESG CVP Mail Server Exchange Server Internal Network
NitroInspection™
Standard ESG NitroInspection implementation Mail Relay DMZ ESG HTTP SMTP FTP Mail Server Exchange Server Internal Network
ESG NI (NitroInspection) + ESM SMTP Mail Relay DMZ ESM SMTP SMTP ESG HTTP FTP Mail Server Exchange Server Internal Network
ESM for Exchange + ESM SMTP Mail Relay DMZ ESM SMTP SMTP ESM for Exchange Mail Traffic Mail Server Internal Network
Load Balancing -- High Availability
Multi-LAN ESG NI DMZ Mail Relay Second Network ESG NI Internal Network Mail Server Exchange Server Internal Network
Load balancing with ESG NitroInspection Mail Relay DMZ ESG CR+CI ESG CI ESG CI Mail Server Internal Network
ESG NI with Hardware load-balancers (Alteon, F5, CSS…) Mail Relay DMZ ESG Load balancers + HA ESG Mail Server Internal Network
ESG NI smart L4/L7 switches (no single-point-of-failure) DMZ Web server L4/L7 switch ESG Only HTTP traffic is redirected Mail Server Internal Network
ESG NI load-balancing with StoneSoft SecurityCluster
High Capacity Content Security (With Radware CID) MIME type based content routing Built in high-availability and load-balancing ESG HTML only inspector HTTP HTML Only ESG HTML/FTP archive inspector Aladdin/Radware Content Manager HTTP/FTP ZIP Only HTTP/FTP All other ESG HTML all other content inspector SMTP Only ESM SMTP content inspector Other protocols and Trusted HTTP traffic bypasses Content Inspectors (according to MIME type) Internal Network
High Capacity Content Security (With Radware CID) LAN Radware CSD-AV FW Potentially Malicious Content EXE, ZIP, HTML eSafe Content Security Farm ESG1 ESG2 ESG3 ESM1 ESG1 – HTTP traffic, only HTMLs ESG2 – HTTP/FTP traffic, only archive (zip) files ESG3 – HTTP/FTP all other traffic ESM1 – SMTP traffic
HTTP Proxy environments
ESG NI in a DMZ with a Firewall and a Proxy Mail Relay ESM SMTP ESG all internal IPs are defined as Trusted Destinations HTTP Only HTTP/FTP requests from the proxy are inspected Proxy Mail Server Exchange Server Internal Network
ESG NitroInspection™ with a switch and a Proxy DMZ ESM SMTP SMTP Proxy’s Default Gateway Proxy ESG NI Mail Server Exchange Server Internal Network
Throughput
Internet Connection Naming Convention ISDN = 64Kbit/sec USA: DS1/T1 – 24 * ISDN = 1.544Mbit DS2/T2 – 4 * T1 = 6.176Mbit DS3/T3 – 28 * T1 = 44.736Mbit Europe: E1 = 2Mbit E2 = 8Mbit E3 = 34Mbit OC1 = 55Mbit OC3 = 155Mbit
eSafe Gateway (NitroInspection) Bandwidth / Number of Users T1/E1 (1.5-2Mbit) T2 (6Mbit) E2/2*T2 (8-12Mbit) T3/OC1 (45-55Mbit) OC3 (155Mbit) CR +CI 10-200 1 2 N/A 200-1000 1 * HTTP 1 * SMTP 2 * HTTP 1000+ 3 3 * HTTP 2 * SMTP 10* HTTP 10 High Capacity 4 * HTTP 8 * HTTP Load balancing is done using 3rd party device High-capacity is done using Radware CSD
eSafe Gateway CVP * Load balancing for CRs is done using CVP T1/E1 Bandwidth / Number of Users T1/E1 (1.5/2Mbit) T2 (6Mbit) E2/2*T2 (8/12Mbit) T3/OC1 (45/55Mbit) OC3 (155Mbit) CR 10-200 1 2 3 N/A 200-1000 1 * HTTP 1 * SMTP 2 * HTTP 3 * HTTP 1000+ 4 * HTTP 2 * SMTP * Load balancing for CRs is done using CVP
eSafe Mail / SMTP One eSafe Mail is capable of processing on average: 40,000 to 60,000 emails in one hour 10,000 employees sending/receiving 50 email in one working day Load balancing can be done: Check Point CVP DNS MX records 3rd party load balancer (Radware, F5, CSS, Alteon etc.)