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Developer Source 4
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rich102.gif
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Graphics Interchange Format
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1996-06-19
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97KB
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781x555
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4-bit (16 colors)
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OCR:
Untrusted Firewall Trusted Network Host Network Type 1: Dual-homed gateway (application-level) Untrusted Screening Firewall Trusted Network Router Host Network Type 2: Screened host gateway (packet-level) Untrusted Network Screening Router Firewall Host Supplementary Host Screening Trusted Router Network Type 3: Screened subnet gateway (packet-level) Figure 2 - Three ways to protect
