Datasheet
3
Specifications
Juniper Networks Juniper Networks
SSG 520/SSG 520M SSG 550/SSG 550M
Maximum Performance and Capacity
(1)
ScreenOS version tested ScreenOS 6.1 ScreenOS 6.1
Firewall performance (Large packets) 650+ Mbps 1+ Gbps
Firewall performance (IMIX)
(2)
600 Mbps 1 Gbps
Firewall Packets Per Second (64 byte) 300,000 PPS 600,000 PPS
AES256+SHA-1 VPN performance 300 Mbps 500 Mbps
3DES+SHA-1 VPN performance 300 Mbps 500 Mbps
Maximum concurrent sessions 128,000 256,000
New sessions/second 10,000 15,000
Maximum security policies 4,000 4,000
Maximum users supported Unrestricted Unrestricted
Convertible to JUNOS 8.0 or higher SSG 520M Only SSG 550M Only
Network Connectivity
Fixed I/O 4x10/100/1000 4x10/100/1000
Physical Interface Module (PIM) Slots 6 (2 ePIM/uPIM/PIM + 4 uPIM/PIM) 6 (4 ePIM/uPIM/PIM + 2 uPIM/PIM)
WAN interface options (PIMS) Serial, T1, E1, DS3, E3, ADSL/ADSL2/ADSL2+, G.SHDSL Serial, T1, E1, DS3, E3, ADSL/ADSL2/ADSL2+, G.SHDSL
LAN interface options (ePIMS and uPIMS) 10/100, 10/100/1000, and SFP 10/100, 10/100/1000, and SFP
Firewall
Network attack detection Yes Yes
DoS and DDoS protection Yes Yes
TCP reassembly for fragmented packet protection Yes Yes
Brute force attack mitigation Yes Yes
SYN cookie protection Yes Yes
Zone-based IP spoong Yes Yes
Malformed packet protection Yes Yes
Unified Threat Management
(3)
IPS (Deep Inspection rewall) Yes Yes
Protocol anomaly detection Yes Yes
Stateful protocol signatures Yes Yes
IPS/DI attack pattern obfuscation Yes Yes
Antivirus Yes Yes
Signature database 200,000+ 200,000+
Protocols scanned POP3, HTTP, SMTP, IMAP, FTP, IM POP3, HTTP, SMTP, IMAP, FTP, IM
Anti-spyware Yes Yes
Anti-adware Yes Yes
Anti-keylogger Yes Yes
Instant message AV Yes Yes
Anti-spam Yes Yes
Integrated URL ltering Yes Yes
External URL ltering
(4)
Yes Yes
Voice over IP (VoIP) Security
H.323 ALG Yes Yes
SIP ALG Yes Yes
MGCP ALG Yes Yes
SCCP ALG Yes Yes
NAT for VoIP protocols Yes Yes








