nginx-proxy-manager/frontend/js/app/nginx/stream/form.ejs

<div class="modal-content">
    <div class="modal-header">
        <h5 class="modal-title"><%- i18n('streams', 'form-title', {id: id}) %></h5>
        <button type="button" class="close cancel" aria-label="Close" data-dismiss="modal">&nbsp;</button>
    </div>
    <div class="modal-body">
        <form>
            <div class="row">
                <div class="col-sm-12 col-md-12">
                    <div class="form-group">
                        <label class="form-label"><%- i18n('streams', 'incoming-port') %> <span class="form-required">*</span></label>
                        <input name="incoming_port" type="number" class="form-control text-monospace" placeholder="eg: 8080" min="1" max="65535" value="<%- incoming_port %>" required>
                    </div>
                </div>
                <div class="col-sm-8 col-md-8">
                    <div class="form-group">
                        <label class="form-label"><%- i18n('streams', 'forwarding-host') %><span class="form-required">*</span></label>
                        <input type="text" name="forwarding_host" class="form-control text-monospace" placeholder="example.com or 10.0.0.1 or 2001:db8:3333:4444:5555:6666:7777:8888" value="<%- forwarding_host %>" autocomplete="off" maxlength="255" required>
                    </div>
                </div>
                <div class="col-sm-4 col-md-4">
                    <div class="form-group">
                        <label class="form-label"><%- i18n('streams', 'forwarding-port') %> <span class="form-required">*</span></label>
                        <input name="forwarding_port" type="number" class="form-control text-monospace" placeholder="eg: 80" min="1" max="65535" value="<%- forwarding_port %>" required>
                    </div>
                </div>
                <div class="col-sm-6 col-md-6">
                    <div class="form-group">
                        <label class="custom-switch">
                            <input type="checkbox" class="custom-switch-input" name="tcp_forwarding" value="1"<%- tcp_forwarding ? ' checked' : '' %>>
                            <span class="custom-switch-indicator"></span>
                            <span class="custom-switch-description"><%- i18n('streams', 'tcp-forwarding') %></span>
                        </label>
                    </div>
                </div>
                <div class="col-sm-6 col-md-6">
                    <div class="form-group">
                        <label class="custom-switch">
                            <input type="checkbox" class="custom-switch-input" name="udp_forwarding" value="1"<%- udp_forwarding ? ' checked' : '' %>>
                            <span class="custom-switch-indicator"></span>
                            <span class="custom-switch-description"><%- i18n('streams', 'udp-forwarding') %></span>
                        </label>
                    </div>
                </div>
                <div class="col-sm-6 col-md-6">
                    <div class="form-group">
                        <label class="custom-switch">
                            <input type="checkbox" class="custom-switch-input" name="proxy_protocol_enabled" value="1"<%- proxy_protocol_enabled ? ' checked' : '' %>>


                            <span class="custom-switch-indicator"></span>
                            <span class="custom-switch-description"><%- i18n('streams', 'enable-proxy-protocol') %><a href="https://docs.nginx.com/nginx/admin-guide/load-balancer/using-proxy-protocol/#introduction" target="_blank"><i class="fe fe-help-circle"></i></a></span>
                        </label>
                    </div>
                </div>

                <div class="col-sm-12 col-md-12">
                    <div class="form-group">
                        <label class="form-label"><%- i18n('streams', 'load-balancer-ip') %><a href="https://docs.nginx.com/nginx/admin-guide/load-balancer/using-proxy-protocol/#changing-the-load-balancers-ip-address-to-the-client-ip-address" target="_blank"><i class="fe fe-help-circle"></i></a></label>
                        <input type="text" name="loadbalancer_address" class="form-control text-monospace" placeholder="" value="<%- loadbalancer_address %>" autocomplete="off" maxlength="255" <%- proxy_protocol_enabled ? '' : ' disabled' %>>
                    </div>
                </div>
                <div class="col-sm-12 col-md-12">
                    <div class="forward-type-error invalid-feedback"><%- i18n('streams', 'forward-type-error') %></div>
                </div>
            </div>
        </form>
    </div>
    <div class="modal-footer">
        <button type="button" class="btn btn-secondary cancel" data-dismiss="modal"><%- i18n('str', 'cancel') %></button>
        <button type="button" class="btn btn-teal save"><%- i18n('str', 'save') %></button>
    </div>
</div>