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Use a short operator-friendly name for the client profile.
Enter the public VPN listener and port clients should dial.
Match the server's proto and dev settings before importing the profile.
Choose how this client should handle server-pushed routes and local route lines.
These become route directives because route-nopull suppresses pushed routes.
Match the server policy for certificates and username/password prompts.
Use inline placeholders for a single importable profile skeleton.
Add the control-channel key mode configured on the server.
Keep modern AEAD ciphers first unless your server requires a legacy fallback.
Use legacy only when the server or client cannot negotiate modern data-ciphers.
Avoid weak or deprecated ciphers unless a legacy server forces them.
SHA256 is a common baseline; match the server when it requires a specific digest.
Lower TLS versions should only be used for tightly scoped legacy compatibility testing.
Pin the certificate name only when you know the server certificate CN or subject name policy.
Use the certificate common name or configured verification name, not the URL path.
Keep paths relative to the imported profile directory when practical.
For tls-auth, the generator adds client key direction 1.
Leave omitted unless you are matching a known legacy server profile.
Use a higher value only during troubleshooting.
Prevents OpenVPN from retaining username/password material in memory after use.
OpenVPN uses this only for UDP profiles so servers see clean client disconnects.
Written only with full-tunnel routing; use when importing into Windows clients that support the directive.
Adds concise comments for handoff and review without changing runtime behavior.
One directive per line. Use only server-approved client options.
{{ result.profileText || '# Fix validation errors to generate the OpenVPN profile.' }}
Directive Value Section Operator note Copy
No directives generated yet.
{{ row.directive }} {{ row.value || '-' }} {{ row.section }} {{ row.note }}
Check Status Detail Next action Copy
{{ row.check }} {{ row.status }} {{ row.detail }} {{ row.action }}
Tags: Networking, Security, Sysadmin
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An OpenVPN client profile is a text recipe for one VPN client connection. It tells the client where to connect, which tunnel device to create, how to verify the server, which routes to accept or request, and where certificate and key material belongs. A small mismatch between the profile and the server can stop the tunnel from connecting, send traffic down the wrong path, or weaken the checks that are supposed to prevent impersonation.

The most common remote-access profile is built around a routed tun device, a UDP listener, a server certificate check, and a control-channel key such as tls-crypt. Other deployments may need TCP, bridged tap, username prompts, full-tunnel routing, local split routes, or legacy cipher fallbacks. Those choices are not cosmetic. They must match the server policy and the client program that will import the final .ovpn file.

A generated profile skeleton is useful because it gives the operator a repeatable starting point, but it is not a finished credential by itself. Placeholder certificate blocks, file paths, and control-channel keys still need to be replaced with material issued for the real client. Routing and cipher settings should also be reviewed against the server before the profile is handed to a user.

The safest reading is practical: the profile text can organize the directives, but it cannot prove that the VPN server is reachable, that the certificate authority is trusted, that the private key is protected, or that the imported client accepts every selected option. Treat the finished file as a draft until it has been tested with the target OpenVPN client and a real account or certificate.

Technical Details:

OpenVPN TLS mode separates the control channel from the data channel. The control channel handles authentication, TLS negotiation, and pushed configuration. The data channel carries the protected tunnel traffic after keys and algorithms have been negotiated. A client profile therefore has to describe both the outside connection to the server and the inside tunnel behavior that will appear after the connection succeeds.

The core connection directives are compact but strict. remote needs a host and port with no URL scheme or path. proto must match the server listener, commonly udp or tcp-client. dev tun creates a routed IP tunnel, while dev tap asks for a bridged Ethernet-style tunnel that many mobile and routed deployments do not support.

OpenVPN client profile anatomy showing endpoint, tunnel, identity, and control channel settings feeding one client profile.

Directive Core:

The profile skeleton always includes the basic client connection shape when validation passes. Optional branches add certificate material, route behavior, cipher compatibility, and control-channel key directives.

Profile area Representative directives Meaning
Endpoint proto, remote, resolv-retry infinite, nobind Sets the outside transport, server address, retry behavior, and local source-port handling.
Tunnel device client, dev tun, dev tap, persist-key, persist-tun Requests TLS client mode and chooses routed or bridged tunnel behavior.
Server identity remote-cert-tls server, verify-x509-name, tls-version-min Requires a server certificate profile and can pin an expected certificate name.
Cryptography data-ciphers, auth, cipher, data-ciphers-fallback Lists modern data-channel ciphers and adds fallback directives only for legacy compatibility modes.
Credentials <ca>, <cert>, <key>, auth-user-pass, auth-nocache Adds inline placeholders or external paths for certificates and optionally prompts for username and password.
Control channel <tls-crypt>, <tls-auth>, <tls-crypt-v2>, key-direction 1 Adds shared or client-specific control-channel key material; tls-auth also needs the client direction.

Routing Rules:

Routing settings decide whether the client accepts server pushes, requests a full tunnel, rejects pushed default-route changes, or suppresses pushes and declares local routes. That choice should match both the VPN server and the traffic policy for the user or device.

Routing policy Generated behavior Review point
Accept server-pushed routes Keeps normal pull behavior and does not add local route overrides. Confirm the server pushes the intended protected networks and DNS options.
Request full tunnel Adds redirect-gateway def1 bypass-dhcp; Windows DNS leak protection can be added with block-outside-dns. Confirm the platform supports the DNS directive and that all client traffic should traverse the VPN.
Ignore pushed full-tunnel redirects Adds pull-filter ignore "redirect-gateway". Useful when other pushed settings are welcome but default-route changes are not.
Use only routes listed here Adds route-nopull and converts each valid IPv4 CIDR row into an OpenVPN route line. Every required protected network must be listed locally because pushed routes are suppressed.

Validation Boundaries:

Input or option Accepted or flagged behavior Why it matters
Remote host and port Host must be a DNS name, IPv4 address, or bracketed IPv6 literal; port must be 1 to 65535. The remote directive should not contain a URL, path, spaces, or an invalid port.
Local route list Rows use IPv4 CIDR, optionally followed by gateway and metric as CSV cells. Invalid route rows are not emitted, and the result shows a blocking issue before import.
Legacy crypto choices SHA1, TLS 1.0, compression, and legacy cipher fallback create review warnings. They may be needed for old peers, but they should not become the normal default for new profiles.
External file paths Certificate and key paths must be non-empty simple tokens when external material is selected. Broken paths can produce a profile that imports but cannot start the VPN session.
Extra directives Angle-bracket blocks are rejected; script-capable directives are listed for review. Certificate blocks should stay controlled by the profile fields, and script hooks need administrator review.

Everyday Use & Decision Guide:

For a normal remote-access client, start with UDP, TUN routed tunnel, Accept server-pushed routes, Certificate plus username prompt, inline placeholder blocks, and tls-crypt shared key. That setup matches many modern deployments without forcing full-tunnel routing or legacy cipher directives.

Use Remote endpoint for the listener exactly as the client should dial it. Enter vpn.example.com and 1194, not https://vpn.example.com or a portal path. The summary should show OpenVPN profile ready with the endpoint as the primary value before you treat the profile text as usable.

  • Choose Request full tunnel only when all client traffic should go through the VPN. Add block-outside-dns only for Windows clients that support it.
  • Choose Use only routes listed here when the server pushes too much and you want local split-tunnel routes. List every protected IPv4 network you need.
  • Use External file references when your client packaging keeps certificates and keys beside the profile. Use inline placeholders when one portable profile is easier to hand off.
  • Open Advanced for compatibility only when the server demands it. Modern data-channel cipher negotiation is the better starting point for new profiles.
  • Read Profile Review before copying. A warning about missing control-channel protection, username-only authentication, compression, SHA1, or TLS 1.0 deserves a deliberate decision.

The generated text is a skeleton. Replace every placeholder certificate, private key, and control-channel key before importing it. If the result badge says placeholders, that is expected for inline mode, but it also means the file is not ready for an end user until real material has been inserted and protected.

A good handoff ends in three checks: the OpenVPN Profile tab contains the directives you expect, the Directive Ledger agrees with the server profile, and the Profile Review has no unresolved blocking issue. Copy or download the .ovpn file only after those checks pass.

Step-by-Step Guide:

  1. Enter Profile name, Remote endpoint, and port first. The summary should switch to the host and port when the endpoint validates.
  2. Set Transport and device to match the server. Use UDP with TUN routed tunnel unless your server profile specifically uses TCP or TAP.
  3. Choose Routing policy. If you select Use only routes listed here, add one IPv4 CIDR per line or CSV rows such as 10.55.10.0/24,vpn_gateway,50.
  4. Select Client authentication, Certificate material, and TLS control channel key. Inline mode should show placeholder blocks in the profile; external mode should show file path directives.
  5. Open Advanced only for server-name pinning, data ciphers, TLS minimum, fallback cipher, compression, verbosity, platform DNS behavior, or extra directives that your server policy requires.
  6. If the red Fix before importing this profile alert appears, resolve those errors before copying. Invalid endpoints, blank required paths, bad route rows, and angle brackets in extra directives stop profile generation.
  7. Review Directive Ledger and Profile Review. The ledger shows the emitted directive text, while the review table explains what still needs confirmation.
  8. Use copy or download from OpenVPN Profile after placeholders have been replaced and the generated profile has been checked against the server configuration.

Interpreting Results:

The summary title is the first trust signal. OpenVPN profile ready means the fields passed local validation and profile text was generated. OpenVPN profile needs fixes means the profile text is intentionally blank until blocking errors are corrected.

Result cue Meaning Action
fix required At least one validation error prevents profile text from being emitted. Read the red alert and the matching Profile Review row before changing anything else.
UDP listener or TCP client The generated proto value chosen for the outside connection. Confirm it matches the server listener; TCP mode will not connect to a UDP-only server.
full tunnel, server routes, redirect blocked, or local-route count The route behavior encoded in the profile. Check this before handoff because route mistakes can hide internal networks or capture too much traffic.
tls-crypt, tls-auth, tls-crypt-v2, or no TLS key The selected control-channel key mode. Replace the key placeholder or path with server-issued material, and review any profile that intentionally omits this key.
placeholders or paths referenced Inline mode still contains placeholder blocks, while external mode points to certificate and key files. Do not send an inline skeleton to a user until real certificate and key blocks have replaced the placeholders.

The JSON tab is a documentation snapshot of the current settings, generated filename, directives, routes, warnings, and review rows. It is useful for tickets and change records, but the OpenVPN Profile tab is the file that a client imports.

A clean local review does not prove the tunnel will connect. Final confidence comes from importing the finished .ovpn file into the target OpenVPN client, confirming server certificate validation, and testing the expected routes and DNS behavior.

Worked Examples:

Standard remote-access laptop

A profile named laptop-01 with endpoint vpn.example.com on port 1194, UDP, TUN routed tunnel, Accept server-pushed routes, Certificate plus username prompt, inline material, and tls-crypt should show OpenVPN profile ready. The Directive Ledger includes client, dev tun, proto udp, remote vpn.example.com 1194, remote-cert-tls server, auth-user-pass, auth-nocache, and placeholder blocks for the CA, client certificate, private key, and tls-crypt key. That is a reasonable skeleton for administrator review, not a complete credential until the placeholders are replaced.

Full tunnel for a Windows user

Choose Request full tunnel and enable Add Windows block-outside-dns for full tunnel when the client should send all traffic through the VPN and the target client supports that directive. The profile adds redirect-gateway def1 bypass-dhcp and block-outside-dns, and the route badge shows full tunnel. The practical check is DNS behavior after import, because this setting is useful only when the platform honors it.

Local split routes with one bad row

Select Use only routes listed here and enter 10.44.0.0/16, then add a second line such as corp-net. The valid CIDR can become a route directive, but the bad row triggers Fix before importing this profile and the profile text stays blank. Replace the bad row with a real IPv4 CIDR such as 10.55.10.0/24,vpn_gateway,50, then check that the local-route badge shows the expected count.

Legacy server compatibility

If an older server cannot negotiate modern data-ciphers, choose a legacy compatibility mode and set the fallback cipher required by that server, for example AES-256-CBC. The generated profile adds cipher and data-ciphers-fallback, and Profile Review marks cipher negotiation for review. Use this as a migration aid, then return to modern cipher negotiation when the server and clients support it.

FAQ:

Does the profile include real certificates and private keys?

No. Inline mode emits placeholder blocks such as <ca>, <cert>, <key>, and the selected TLS key block. Replace those placeholders with client-specific material before import.

Why did profile generation stop?

Blocking errors stop the profile text. Common causes are an invalid remote host, a port outside 1 to 65535, a blank external certificate path, an invalid local route row, or angle brackets in Extra directives.

Should I choose tls-crypt, tls-auth, or tls-crypt-v2?

Match the server. tls-crypt is the normal modern shared-key choice in many deployments, tls-auth needs client key-direction 1, and tls-crypt-v2 requires client-specific key material and compatible clients.

Can I make a username-only OpenVPN profile?

Yes, select Username prompt without client cert. The review table marks it for administrator review because the server must be configured to allow clients without client certificate blocks.

Does a ready profile mean the VPN will connect?

No. OpenVPN profile ready means the local fields validated and text was generated. Connection success still depends on server reachability, issued certificate material, account policy, cipher support, routing, and the target client program.

Does the profile data leave the browser?

The profile text, directive tables, review rows, JSON snapshot, and exports are generated in the browser. The current options can be reflected in the page URL, so avoid sharing a URL that contains sensitive hostnames or internal routes.

Glossary:

TUN
A routed virtual network device that carries IP packets through the VPN tunnel.
TAP
A bridged virtual network device that carries Ethernet-style frames and is less common for modern remote-access clients.
remote-cert-tls server
An OpenVPN client check that requires the peer certificate to be suitable for a server role.
verify-x509-name
An optional certificate-name check that pins the expected server name or name prefix.
data-ciphers
The OpenVPN data-channel cipher negotiation list used by modern clients and servers.
route-nopull
A directive that suppresses pushed routes so the client uses only routes declared locally in the profile.
tls-crypt
A shared-key control-channel protection mode that encrypts and authenticates packets before the TLS session starts.

References: