1. Taking Common Action Against Spam Internet Society of China Beijing – 2004 Dave Crocker Brandenburg InternetWorking <http://brandenburg.com/current.html> Internet Society of China Beijing – 2004 Dave Crocker Brandenburg InternetWorking <http://brandenburg.com/current.html>

2. 2 2 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 Setting the Context © 1975(!) Datamation © 1975(!) Datamation This? Oh, this is the display for my electronic junk mail.

3. 3 3 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 A Personal Perspective social  Spam is a complex social problem follow  Technical solutions must follow the social decisions  The situation is getting much worse, very quickly  It is like moving from a safe, small town to a big (U.S.) city  Spam is created in one country, and sent out from another  And no technique has yet reduced global spam!  Spam is a global problem  On the Internet, every place is a close neighbor common  We can only control it by taking common action social  Spam is a complex social problem follow  Technical solutions must follow the social decisions  The situation is getting much worse, very quickly  It is like moving from a safe, small town to a big (U.S.) city  Spam is created in one country, and sent out from another  And no technique has yet reduced global spam!  Spam is a global problem  On the Internet, every place is a close neighbor common  We can only control it by taking common action

4. 4 4 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 Wheel of Spam (Mis)Fortune  Control of spam  Techniques are not precise  We must balance the facets  Need many partial solutions  Heuristics to consider  Long lists  Complicated  Complicated  Be careful! Political Legal Social Human Administration Technical Management Deployment Many Facets of Email

5. 5 5 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 Formulating Proposals Spammers  “Accountable”  Legitimate businesses with aggressive marketing  Need rules to constrain  “Rogue”  Avoid accountability  Same as criminal virus and worm attackers Spammers  “Accountable”  Legitimate businesses with aggressive marketing  Need rules to constrain  “Rogue”  Avoid accountability  Same as criminal virus and worm attackers Pragmatic Approach  Specify:  Type of targeted spam  How it is occurring  How the mechanism will fix the problem  Explore how mechanism can fail

6. 6 6 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 A List of Common Suggestions  Initial suggestions from the anti-spam community  Most are useful for providers and countries everywhere  We need a venue for forming on-going agreements  Categories Legal: Legal: Formal boundaries and consequences Accountability: Accountability: For whitelisting(!) Administrative: Administrative: Organization commitment and efficiency Collaboration: Collaboration: Adapt and respond to changes Operations: Operations: Tools for responding  Initial suggestions from the anti-spam community  Most are useful for providers and countries everywhere  We need a venue for forming on-going agreements  Categories Legal: Legal: Formal boundaries and consequences Accountability: Accountability: For whitelisting(!) Administrative: Administrative: Organization commitment and efficiency Collaboration: Collaboration: Adapt and respond to changes Operations: Operations: Tools for responding

7. 7 7 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 Legal and Political  Provide government assistance and oversight  Treat spam as a common international and national emergency  This requires a commitment by both government and operators  Formulate Acceptable Use Policies (AUP)  Create legal procedures to disconnect spammers  Specify serious consequences for violating AUP  Provide government assistance and oversight  Treat spam as a common international and national emergency  This requires a commitment by both government and operators  Formulate Acceptable Use Policies (AUP)  Create legal procedures to disconnect spammers  Specify serious consequences for violating AUP

8. 8 8 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 AccountabilityAccountability  rDNS (in-addr.arpa)  Maintain IP address-to-name mappings for all visible addresses  Map to “useful” domain names  WHOIS information  Maintain accurate entries  Indirect spam referencing via ‘landing hosts’  Lines of accountability to owner of the host  rDNS (in-addr.arpa)  Maintain IP address-to-name mappings for all visible addresses  Map to “useful” domain names  WHOIS information  Maintain accurate entries  Indirect spam referencing via ‘landing hosts’  Lines of accountability to owner of the host

9. 9 9 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 Organizational and Administrative  Organization Structure  Use a unique ASN for each provincial "branch"  Create central authority to assist province administrators who provide direct policy enforcement  Network Structure  Separate dynamic and static IP's  Staff Support  Province/Network administrators must have authority to terminate quickly  Give them tools and training for disconnecting spammers  Organization Structure  Use a unique ASN for each provincial "branch"  Create central authority to assist province administrators who provide direct policy enforcement  Network Structure  Separate dynamic and static IP's  Staff Support  Province/Network administrators must have authority to terminate quickly  Give them tools and training for disconnecting spammers

10. 10 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 Collaboration Among Providers  Global  Create RFC-2142 addresses; register with abuse.net  Act on complaints made to abuse addresses  Forum for international sharing of methods and information  Government and operator participation in APCauce, SPAM-L, NANAE, etc.  National  Forum for Province administrators  Create a Chinese anti-spam site to help non-Chinese users report spam involving China  Global  Create RFC-2142 addresses; register with abuse.net  Act on complaints made to abuse addresses  Forum for international sharing of methods and information  Government and operator participation in APCauce, SPAM-L, NANAE, etc.  National  Forum for Province administrators  Create a Chinese anti-spam site to help non-Chinese users report spam involving China

11. 11 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 OperationsOperations  Prevention  Create a list of IP Address blocks that are run by anti-spam ISPs, to permit whitelisting(!)  Certify, block or rate-limit outbound SMTP for all hosts  Detection  Monitor traffic flows for “spikes”  Check outbound mail for viruses  Response  Create response-time targets (< 24 hours)  Responses in English would be nice  Prevention  Create a list of IP Address blocks that are run by anti-spam ISPs, to permit whitelisting(!)  Certify, block or rate-limit outbound SMTP for all hosts  Detection  Monitor traffic flows for “spikes”  Check outbound mail for viruses  Response  Create response-time targets (< 24 hours)  Responses in English would be nice

12. 12 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004  Safe Internet service is achieved through collaboration among providers. A Direction for Collaboration? Safe Internet service requires collaboration among providers. We need a venue for collaborative development, assistance, monitoring and reporting of safe operational practices. Safe Internet service requires collaboration among providers. We need a venue for collaborative development, assistance, monitoring and reporting of safe operational practices. ASP Enterprise ISP Technology Standard Guideline Mutual Internet Practices Association

13. 13 D. Crocker, Brandenburg InternetWorkingISOC China – Beijing,2004 SummarySummary  Spam is a complicated probem  It needs to be treated with all due respect  Spam is a universal problem  Fighting it requires global common action  Spam is an urgent problem  We must attack it together… now! Xie Xie  Spam is a complicated probem  It needs to be treated with all due respect  Spam is a universal problem  Fighting it requires global common action  Spam is an urgent problem  We must attack it together… now! Xie Xie