# Service Availability

**Identifier:** `TT-CST-0001`  
**URI:** `tt:ServiceAvailability`  
**Type:** Constraint  
**Status:** Active  
**Assurance:** owner-confirmed  
**Owning role:** TT-ROLE-0003  
**Canonical page:** https://traffic-titans.com/ocom/records/TT-CST-0001  
**Record version:** 1.0 (updated 2026-10-01)

traffic-titans.com is not served to visitors whose IP address resolves to one of ten sanctioned or high-risk countries.

## OCOM terms

- ocom:Constraint (https://ocom.uno/vocabulary/constraint)

## Relationships

- member_of -> Constraints (`TT-REG-0004`)

## Rule

The website returns a hard 403 to any visitor whose IP address resolves to one of the listed countries, enforced at the edge (Caddy, IP-range matching against ipdeny.com zones).

## Expression

visitor.country in restricted_countries => site.not_served

## Source

```json
{
  "document": "TT-POL-0002",
  "note": "Operational control verified directly against the production Caddy configuration on the host serving traffic-titans.com; Terms & Conditions governs who the program serves."
}
```

## Restricted Countries

- MD
- RU
- IQ
- KP
- IR
- SY
- CU
- BY
- SD
- MM

## Verified On

2026-10-01

## Enforcement

```json
{
  "layer": "edge",
  "basis": "IP address",
  "review": "the list is refreshed by a monthly scheduled job"
}
```

## Scope

Visitors to traffic-titans.com.

## Severity

```json
{
  "level": "blocking",
  "note": "The condition cannot be crossed: the site is not served to a visitor whose address resolves to a listed country."
}
```

## Effective Period

```json
{
  "from": "2026-10-01",
  "until": "open"
}
```

## Exception Policy

```json
{
  "status": "not set",
  "note": "No exception to this condition is published."
}
```

## Purpose

To keep the site away from jurisdictions it is not served to.

---

Projection of the Traffic Titans operating record, built 2026-10-01. Canonical record: https://traffic-titans.com/ocom/records/TT-CST-0001.json